/* roulang page: index */
:root {
    --bg-primary: #0A1024;
    --bg-secondary: #0B163D;
    --bg-tertiary: #0D1F44;
    --amber: #FFA825;
    --amber-deep: #FF8A3D;
    --text-main: #E9F2FF;
    --text-sub: #AFC3DA;
    --text-muted: #6F89A8;
    --glass-bg: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.12);
    --glass-highlight: rgba(255,255,255,0.08);
    --glow-amber: rgba(255,168,37,0.35);
    --glow-blue: rgba(80,140,255,0.18);
    --radius-lg: 24px;
    --radius-md: 20px;
    --radius-sm: 12px;
    --shadow-default: 0 8px 32px rgba(0,0,0,0.25);
    --shadow-hover: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,168,37,0.15);
    --container-max: 1280px;
    --space-lg: 80px;
    --space-md: 56px;
    --space-sm: 40px;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    background: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}
button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    background: none;
    color: inherit;
}
ul,
ol {
    list-style: none;
}
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
.section-head {
    margin-bottom: 44px;
}
.section-head h2 {
    font-size: clamp(1.4rem, 3vw, 2.2rem);
    line-height: 1.3;
    font-weight: 700;
    position: relative;
    padding-left: 18px;
    letter-spacing: 0.5px;
}
.section-head h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 70%;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--amber), var(--amber-deep));
    box-shadow: 0 0 12px rgba(255,168,37,0.4);
}
.section-head p {
    color: var(--text-sub);
    margin-top: 12px;
    font-size: 0.95rem;
    max-width: 640px;
    line-height: 1.6;
}
.tag {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.75rem;
    border-radius: 30px;
    background: rgba(255,168,37,0.12);
    border: 1px solid rgba(255,168,37,0.35);
    color: var(--amber);
    letter-spacing: 0.3px;
    font-weight: 500;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 32px;
    line-height: 1.2;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    min-height: 44px;
    user-select: none;
}
.btn-primary {
    background: linear-gradient(90deg, var(--amber) 0%, var(--amber-deep) 100%);
    color: #0A1024;
    box-shadow: 0 4px 20px var(--glow-amber);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 32px rgba(255,168,37,0.5);
    filter: brightness(1.05);
}
.btn-primary:active {
    transform: scale(0.97);
    box-shadow: 0 2px 12px rgba(255,168,37,0.3);
}
.btn-secondary {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-main);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.btn-secondary:hover {
    border-color: var(--amber);
    background: rgba(255,168,37,0.1);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(255,168,37,0.12);
}
.btn-secondary:active {
    transform: scale(0.97);
}
.btn-small {
    padding: 8px 22px;
    font-size: 0.875rem;
}
.btn-large {
    padding: 16px 48px;
    font-size: 1.05rem;
    border-radius: 14px;
}
.glass-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-default);
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
.site-header.scrolled {
    background: rgba(10,16,36,0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--amber), var(--amber-deep));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #0A1024;
    box-shadow: 0 0 16px rgba(255,168,37,0.35);
}
.brand-text {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.95rem;
    color: var(--text-sub);
    position: relative;
    transition: background 0.25s, color 0.25s;
}
.nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: var(--text-main);
}
.nav-link.active {
    color: var(--text-main);
}
.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    border-radius: 3px;
    background: var(--amber);
    box-shadow: 0 0 10px rgba(255,168,37,0.6);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255,255,255,0.06);
    transition: background 0.2s;
}
.menu-toggle:hover {
    background: rgba(255,255,255,0.12);
}
.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-main);
    transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
.hero {
    position: relative;
    min-height: calc(100vh * 0.8);
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 80px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(10,16,36,0.95) 0%, rgba(10,16,36,0.78) 45%, rgba(13,31,68,0.55) 100%);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50L0 16L28 0L56 16L56 50L28 66L28 100' fill='none' stroke='rgba(255,255,255,0.03)' stroke-width='1'/%3E%3Cpath d='M28 0L28 34L0 50L0 84L28 100L56 84L56 50L28 34' fill='none' stroke='rgba(255,255,255,0.02)' stroke-width='1'/%3E%3C/svg%3E");
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}
.hero-content {
    animation: heroFadeUp 0.8s ease-out;
}
@keyframes heroFadeUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.hero-badge {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 30px;
    font-size: 0.8rem;
    color: var(--amber);
    background: rgba(255,168,37,0.1);
    border: 1px solid rgba(255,168,37,0.3);
    margin-bottom: 22px;
    letter-spacing: 0.5px;
}
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--text-main);
    margin-bottom: 18px;
    font-feature-settings: "tnum";
}
.hero-subtitle {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-sub);
    max-width: 480px;
    margin-bottom: 32px;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.hero-stats {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}
.hero-stats span {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.hero-stats strong {
    font-size: 1.1rem;
    color: var(--text-main);
    font-weight: 700;
}
.hero-card {
    display: flex;
    justify-content: flex-end;
}
.status-card {
    width: 100%;
    max-width: 400px;
    padding: 32px;
    position: relative;
    overflow: hidden;
}
.status-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--amber), var(--amber-deep), transparent);
}
.status-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.status-item:last-of-type {
    border-bottom: none;
}
.status-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: rgba(255,168,37,0.12);
    border: 1px solid rgba(255,168,37,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--amber);
    font-size: 1.1rem;
    flex-shrink: 0;
}
.status-data {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.status-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.3px;
}
.status-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    font-feature-settings: "tnum";
}
.status-progress {
    margin-top: 18px;
    height: 4px;
    border-radius: 4px;
    background: rgba(255,255,255,0.08);
    overflow: hidden;
    position: relative;
}
.status-progress span {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 78%;
    border-radius: 4px;
    background: linear-gradient(90deg, var(--amber), var(--amber-deep));
    box-shadow: 0 0 12px rgba(255,168,37,0.5);
}
.quick-entry {
    padding: 60px 0 100px;
    position: relative;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.quick-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}
.quick-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 20px;
    padding: 28px 22px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.quick-card::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--amber), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}
.quick-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.22);
    box-shadow: var(--shadow-hover);
}
.quick-card:hover::after {
    opacity: 1;
}
.quick-card .icon {
    font-size: 1.5rem;
    color: var(--amber);
    width: 52px;
    height: 52px;
    border-radius: 16px;
    background: rgba(255,168,37,0.1);
    border: 1px solid rgba(255,168,37,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}
.quick-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-top: 6px;
}
.quick-link {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s, gap 0.2s;
}
.quick-card:hover .quick-link {
    color: var(--amber);
    gap: 10px;
}
.steps-section {
    padding: var(--space-lg) 0;
    background: var(--bg-primary);
    position: relative;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
}
.steps-grid::before {
    content: "";
    position: absolute;
    top: 60px;
    left: 16%;
    right: 16%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,168,37,0.4), rgba(255,168,37,0.1), transparent);
}
.step-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 20px;
    padding: 36px 30px;
    position: relative;
    transition: all 0.3s ease;
    z-index: 1;
}
.step-card:hover {
    transform: translateY(-6px);
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,168,37,0.25);
    box-shadow: var(--shadow-hover);
}
.step-number {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 2px rgba(255,168,37,0.6);
    margin-bottom: 20px;
    font-family: "Segoe UI", "DIN", sans-serif;
    font-feature-settings: "tnum";
    display: inline-block;
}
.step-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}
.step-card p {
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 18px;
}
.step-arrow {
    color: var(--amber);
    font-size: 1.1rem;
    opacity: 0;
    transform: translateX(-8px);
    transition: all 0.3s;
}
.step-card:hover .step-arrow {
    opacity: 1;
    transform: translateX(0);
}
.cases-section {
    padding: var(--space-lg) 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}
.cases-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 32px;
    align-items: start;
}
.case-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    padding: 20px;
}
.case-card:nth-child(2) {
    transform: translateY(40px);
}
.case-card:hover {
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,168,37,0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(calc(0px - 4px));
}
.case-card:nth-child(2):hover {
    transform: translateY(36px);
}
.case-img {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 18px;
    aspect-ratio: 16 / 9;
    background: var(--bg-tertiary);
}
.case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.case-card:hover .case-img img {
    transform: scale(1.05);
}
.case-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 30px;
    font-size: 0.75rem;
    color: var(--amber);
    background: rgba(255,168,37,0.1);
    border: 1px solid rgba(255,168,37,0.25);
    margin-bottom: 12px;
}
.case-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.4;
}
.case-card p {
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-link {
    color: var(--amber);
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.2s;
}
.case-link:hover {
    gap: 10px;
}
.faq-section {
    padding: var(--space-lg) 0;
    background: var(--bg-primary);
}
.faq-inner {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
}
.faq-side h2 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    padding-left: 18px;
}
.faq-side h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 70%;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--amber), var(--amber-deep));
}
.faq-side p {
    color: var(--text-sub);
    font-size: 0.95rem;
    margin-bottom: 24px;
}
.faq-guide {
    font-size: 0.875rem;
    color: var(--text-muted);
}
.faq-guide a {
    color: var(--amber);
    font-weight: 500;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 18px;
    transition: all 0.2s ease-out;
    overflow: hidden;
}
.faq-item.open {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,168,37,0.2);
}
.faq-question {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
    min-height: 56px;
    gap: 16px;
    margin: 0;
}
.faq-question .icon {
    font-style: normal;
    font-size: 1.4rem;
    color: var(--amber);
    flex-shrink: 0;
    line-height: 1;
    width: 20px;
    text-align: center;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
    padding: 0 24px;
    position: relative;
}
.faq-answer::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 3px;
    background: var(--amber);
    opacity: 0;
    transition: opacity 0.2s;
}
.faq-item.open .faq-answer::before {
    opacity: 1;
}
.faq-answer p {
    padding: 0 0 18px 38px;
    color: var(--text-sub);
    font-size: 0.95rem;
    line-height: 1.7;
}
.latest-section {
    padding: var(--space-lg) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.info-list {
    display: flex;
    flex-direction: column;
}
.info-item {
    display: flex;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transition: background 0.2s;
}
.info-item:first-child {
    padding-top: 0;
}
.info-item:last-child {
    border-bottom: none;
}
.info-thumb {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}
.info-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.info-item:hover .info-thumb img {
    transform: scale(1.06);
}
.info-body {
    flex: 1;
    min-width: 0;
}
.info-body h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
    line-height: 1.4;
    transition: color 0.2s;
}
.info-body h3 a:hover {
    color: var(--amber);
}
.info-body p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 8px;
}
.info-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.info-meta time {
    font-family: "DIN", "Segoe UI", sans-serif;
    font-feature-settings: "tnum";
    font-size: 0.8rem;
}
.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    border: 1px dashed rgba(255,255,255,0.12);
    border-radius: 20px;
    background: rgba(255,255,255,0.02);
}
.show-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 28px;
    padding: 10px 28px;
    border-radius: 30px;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-sub);
    font-size: 0.9rem;
    transition: all 0.3s;
}
.show-more:hover {
    border-color: var(--amber);
    color: var(--amber);
    gap: 12px;
}
.cta-section {
    padding: var(--space-lg) 0;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, transparent 100%);
}
.cta-inner {
    background: linear-gradient(90deg, rgba(255,168,37,0.9), rgba(255,138,61,0.75));
    border-radius: 28px;
    padding: 64px 60px;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.cta-inner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(10,16,36,0.35);
    z-index: 0;
}
.cta-inner::after {
    content: "";
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    pointer-events: none;
}
.cta-inner > * {
    position: relative;
    z-index: 1;
}
.cta-inner h2 {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.cta-inner p {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    margin-bottom: 32px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}
.cta-inner .btn-primary {
    background: #0A1024;
    color: var(--amber);
    box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
.cta-inner .btn-primary:hover {
    box-shadow: 0 12px 48px rgba(0,0,0,0.45);
    transform: translateY(-2px);
}
.cta-meta {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 28px;
    flex-wrap: wrap;
}
.cta-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.85);
    font-size: 0.875rem;
}
.cta-meta i {
    color: #fff;
}
.site-footer {
    padding: 80px 0 0;
    background: #080D20;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
}
.footer-brand .brand-text {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}
.footer-brand p {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.6;
}
.icp-text {
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 4px 12px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
}
.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}
.footer-col a,
.footer-col span {
    color: var(--text-sub);
    font-size: 0.875rem;
    line-height: 1.6;
    transition: color 0.2s;
}
.footer-col a:hover {
    color: var(--amber);
}
.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}
.social-icons a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    font-size: 1rem;
    transition: all 0.3s;
}
.social-icons a:hover {
    background: var(--amber);
    color: #0A1024;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255,168,37,0.3);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
}
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0s !important;
        transition-duration: 0s !important;
    }
    html {
        scroll-behavior: auto;
    }
}
@media (max-width: 1023px) {
    .quick-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .cases-grid {
        grid-template-columns: 1fr;
    }
    .case-card:nth-child(2) {
        transform: none;
    }
    .case-card:nth-child(2):hover {
        transform: none;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .faq-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    .hero-content {
        margin: 0 auto;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .status-card {
        max-width: 440px;
        margin: 0 auto;
    }
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .steps-grid::before {
        display: none;
    }
}
@media (max-width: 767px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .header-inner {
        height: 64px;
    }
    .brand-text {
        font-size: 1rem;
    }
    .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
    .main-nav {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10,16,36,0.96);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 40px 24px;
        gap: 8px;
        z-index: 99;
        overflow-y: auto;
    }
    .main-nav.open {
        display: flex;
    }
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 16px;
        font-size: 1.05rem;
        border-radius: 16px;
        color: var(--text-main);
    }
    .nav-link:hover {
        background: rgba(255,255,255,0.08);
    }
    .nav-link.active::after {
        display: none;
    }
    .nav-actions .btn {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .hero {
        padding-top: 100px;
        padding-bottom: 56px;
        min-height: auto;
    }
    .hero h1 {
        font-size: 1.9rem;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .hero-stats {
        gap: 20px;
    }
    .status-card {
        padding: 24px;
        margin-top: 10px;
    }
    .quick-entry {
        padding: 48px 0 56px;
    }
    .quick-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .quick-card {
        padding: 20px 16px;
    }
    .quick-card .icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }
    .steps-section,
    .cases-section,
    .faq-section,
    .latest-section,
    .cta-section {
        padding: 56px 0;
    }
    .step-card {
        padding: 28px 22px;
    }
    .step-number {
        font-size: 3rem;
    }
    .case-card {
        padding: 16px;
    }
    .case-card:nth-child(2) img {
        min-height: auto;
    }
    .faq-question {
        padding: 14px 18px;
        font-size: 0.95rem;
    }
    .faq-answer {
        padding: 0 18px;
    }
    .faq-answer p {
        padding-left: 18px;
        font-size: 0.875rem;
    }
    .info-item {
        gap: 14px;
        padding: 18px 0;
    }
    .info-thumb {
        width: 68px;
        height: 68px;
        border-radius: 12px;
    }
    .info-body h3 {
        font-size: 0.95rem;
    }
    .info-body p {
        display: none;
    }
    .info-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    .cta-inner {
        padding: 40px 24px;
        border-radius: 20px;
    }
    .cta-inner h2 {
        font-size: 1.35rem;
    }
    .cta-inner p {
        font-size: 0.9rem;
    }
    .cta-meta {
        gap: 16px;
    }
    .cta-section .btn-large {
        width: 100%;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 6px;
        text-align: center;
        padding: 20px 16px;
    }
    .section-head {
        margin-bottom: 28px;
    }
}
@media (max-width: 480px) {
    .quick-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .cases-grid {
        gap: 20px;
    }
}

/* roulang page: category1 */
/* ========== 设计变量与基础重置 ========== */
        :root {
            --bg-deep: #0A1024;
            --bg-secondary: #0B163D;
            --bg-tertiary: #0D1F44;
            --amber: #FFA825;
            --amber-deep: #FF8A3D;
            --text-primary: #E9F2FF;
            --text-secondary: #AFC3DA;
            --text-muted: #6F89A8;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-hover: rgba(255, 255, 255, 0.10);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-border-hover: rgba(255, 255, 255, 0.2);
            --glow-amber: rgba(255, 168, 37, 0.35);
            --glow-blue: rgba(80, 140, 255, 0.18);
            --radius-lg: 24px;
            --radius-md: 20px;
            --radius-sm: 12px;
            --shadow-default: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 168, 37, 0.15);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", sans-serif;
            --container-w: 1280px;
            --space-lg: 80px;
            --space-md: 56px;
            --space-sm: 40px;
            --transition: all .3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        ul {
            list-style: none;
        }
        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 背景装饰层 ========== */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: -2;
            background:
                radial-gradient(circle at 15% 10%, rgba(255, 168, 37, 0.08), transparent 40%),
                radial-gradient(circle at 85% 30%, rgba(80, 140, 255, 0.12), transparent 50%),
                radial-gradient(circle at 50% 90%, rgba(255, 138, 61, 0.05), transparent 40%),
                var(--bg-deep);
        }
        body::after {
            content: '';
            position: fixed;
            inset: 0;
            z-index: -1;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='104' viewBox='0 0 60 104'%3E%3Cpath d='M30 2L56 16v34L30 64L4 50V16L30 2z' fill='none' stroke='rgba(255,255,255,0.04)' stroke-width='1'/%3E%3C/svg%3E");
            background-size: 60px 104px;
            opacity: .5;
            pointer-events: none;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(90deg, var(--amber), var(--amber-deep));
            color: #0A1024;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 12px var(--glow-amber);
            transition: var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 0 20px var(--glow-amber), 0 8px 24px rgba(255, 168, 37, 0.2);
        }
        .btn-primary:active {
            transform: scale(0.97);
            box-shadow: 0 0 8px var(--glow-amber);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--amber);
            color: var(--amber);
            box-shadow: 0 0 16px rgba(255, 168, 37, 0.15);
        }
        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--amber);
            transition: var(--transition);
        }
        .link-arrow i {
            transition: transform .3s ease;
        }
        .link-arrow:hover i {
            transform: translateX(4px);
        }

        /* ========== 导航 ========== */
        .main-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 18px 0;
            transition: var(--transition);
            background: transparent;
        }
        .main-header.scrolled {
            background: rgba(10, 16, 36, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand {
            font-size: 1.2rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.3;
        }
        .brand i {
            color: var(--amber);
            font-size: 1rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .nav-link {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-primary);
        }
        .nav-link.active {
            color: var(--amber);
            background: rgba(255, 168, 37, 0.08);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--amber), var(--amber-deep));
            box-shadow: 0 0 8px var(--glow-amber);
        }
        .nav-cta {
            margin-left: 12px;
            padding: 9px 22px;
            font-size: 0.88rem;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            cursor: pointer;
            z-index: 1100;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--text-primary);
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            padding-top: 110px;
            padding-bottom: 0;
            background: transparent;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-list a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb-list a:hover {
            color: var(--amber);
        }
        .breadcrumb-list .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .breadcrumb-list .current {
            color: var(--text-secondary);
        }

        /* ========== 页面小型Hero ========== */
        .page-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            padding: 60px 0 40px;
            margin-bottom: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 16, 36, 0.92), rgba(10, 16, 36, 0.6)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            z-index: -1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, var(--amber), transparent);
            opacity: 0.5;
        }
        .page-hero .container {
            position: relative;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .hero-title-wrap {
            max-width: 640px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(255, 168, 37, 0.12);
            border: 1px solid rgba(255, 168, 37, 0.25);
            color: var(--amber);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.01em;
            background: linear-gradient(135deg, #fff, #C9D9F2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
        }
        .page-hero .hero-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 560px;
        }
        .hero-meta {
            display: flex;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
        }
        .hero-meta .meta-item i {
            color: var(--amber);
            font-size: 0.75rem;
        }

        /* ========== 玩法卡片区 ========== */
        .play-section {
            padding: var(--space-lg) 0 var(--space-md);
            position: relative;
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-head .sub-title {
            font-size: 0.85rem;
            color: var(--amber);
            letter-spacing: 0.06em;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: clamp(1.4rem, 3vw, 2.2rem);
            font-weight: 800;
            line-height: 1.3;
            position: relative;
            padding-left: 18px;
            margin-bottom: 12px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8%;
            bottom: 8%;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--amber), var(--amber-deep));
            box-shadow: 0 0 10px var(--glow-amber);
        }
        .section-head .section-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 640px;
            line-height: 1.7;
        }
        .play-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .play-card {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03));
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .play-card:hover {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05));
            border-color: var(--glass-border-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .play-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .play-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .play-card:hover .card-img img {
            transform: scale(1.05);
        }
        .play-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(10, 16, 36, 0.7));
        }
        .play-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--amber);
            background: rgba(255, 168, 37, 0.1);
            border: 1px solid rgba(255, 168, 37, 0.2);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .play-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .play-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .play-card .card-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--amber);
        }
        .play-card .card-link i {
            transition: transform .3s ease;
            font-size: 0.75rem;
        }
        .play-card .card-link:hover i {
            transform: translateX(4px);
        }
        .play-card .corner-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--amber), var(--amber-deep));
            box-shadow: 0 0 12px var(--glow-amber);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0A1024;
            font-size: 0.75rem;
            font-weight: 800;
        }

        /* ========== 适用场景区 ========== */
        .scenario-section {
            padding: var(--space-lg) 0;
            position: relative;
            background: linear-gradient(180deg, transparent, rgba(11, 22, 61, 0.5), transparent);
        }
        .scenario-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: -1;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .scenario-item {
            background: rgba(10, 16, 36, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .scenario-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--amber), transparent);
            opacity: 0.6;
        }
        .scenario-item:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-item .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: rgba(255, 168, 37, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--amber);
            margin-bottom: 20px;
        }
        .scenario-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .scenario-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .scenario-item .scenario-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .scenario-item .scenario-tags span {
            font-size: 0.75rem;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.06);
            padding: 3px 10px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ========== 流程指引 ========== */
        .process-section {
            padding: var(--space-lg) 0 var(--space-md);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            position: relative;
            margin-top: 20px;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 30px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, transparent, rgba(255, 168, 37, 0.3), rgba(255, 168, 37, 0.5), rgba(255, 168, 37, 0.3), transparent);
            z-index: 0;
        }
        .process-step {
            text-align: center;
            padding: 0 16px;
            position: relative;
            z-index: 1;
        }
        .process-step .step-num {
            font-family: "Segoe UI", "DIN", sans-serif;
            font-size: 2.4rem;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 168, 37, 0.6);
            margin-bottom: 8px;
            line-height: 1.2;
        }
        .process-step .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 168, 37, 0.1);
            border: 1px solid rgba(255, 168, 37, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--amber);
            font-size: 1.1rem;
            margin: 8px auto 20px;
            position: relative;
            z-index: 2;
            box-shadow: 0 0 20px rgba(255, 168, 37, 0.1);
        }
        .process-step h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 200px;
            margin: 0 auto;
        }

        /* ========== 近期动态资讯 ========== */
        .channel-news-section {
            padding: var(--space-md) 0 var(--space-lg);
        }
        .news-list {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 20px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            border-radius: 8px;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.03);
            padding-left: 16px;
            padding-right: 16px;
        }
        .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-thumb::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent, rgba(10, 16, 36, 0.2));
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.5;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .news-meta .thumb {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-meta i {
            font-size: 0.7rem;
            color: var(--amber);
        }
        .news-item .news-link {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--amber);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .news-item .news-link:hover {
            gap: 8px;
        }

        /* ========== 分页 ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 20px 0;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            transition: var(--transition);
        }
        .pagination a:hover {
            border-color: var(--amber);
            color: var(--amber);
        }
        .pagination .current {
            background: linear-gradient(90deg, var(--amber), var(--amber-deep));
            color: #0A1024;
            font-weight: 700;
            border-color: transparent;
            box-shadow: 0 0 12px var(--glow-amber);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-lg) 0;
            position: relative;
        }
        .faq-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
        }
        .faq-left-title h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
            position: relative;
            padding-left: 18px;
        }
        .faq-left-title h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8%;
            bottom: 8%;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--amber), var(--amber-deep));
            box-shadow: 0 0 10px var(--glow-amber);
        }
        .faq-left-title p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-right {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .faq-question {
            width: 100%;
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 16px;
            cursor: pointer;
            text-align: left;
            color: var(--text-primary);
            font-size: 0.98rem;
            font-weight: 600;
            transition: var(--transition);
            background: transparent;
            border-radius: 8px;
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.04);
        }
        .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1.5px solid var(--amber);
            color: var(--amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            line-height: 1;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .2s ease-out;
            padding-left: 16px;
        }
        .faq-answer .ans-inner {
            padding: 0 16px 16px 38px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.75;
            border-left: 2px solid var(--amber);
            margin-left: 22px;
        }
        .faq-item.open .faq-question {
            background: rgba(255, 255, 255, 0.06);
            color: var(--amber);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background: var(--amber);
            color: #0A1024;
            border-color: var(--amber);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-bottom-tip {
            margin-top: 24px;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .faq-bottom-tip a {
            color: var(--amber);
            font-weight: 600;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 0 0 var(--space-lg);
        }
        .cta-banner {
            position: relative;
            border-radius: var(--radius-lg);
            background: linear-gradient(90deg, rgba(255, 168, 37, 0.92), rgba(255, 138, 61, 0.92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            overflow: hidden;
            padding: 56px 48px;
            box-shadow: 0 8px 48px rgba(255, 168, 37, 0.2);
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 16, 36, 0.45);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .cta-content h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.92rem;
            line-height: 1.6;
            max-width: 520px;
        }
        .cta-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
            min-width: 240px;
        }
        .cta-actions .btn-primary {
            background: #0A1024;
            color: var(--amber);
            box-shadow: 0 0 24px rgba(10, 16, 36, 0.4);
        }
        .cta-actions .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(10, 16, 36, 0.5);
        }
        .cta-contact-line {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: rgba(6, 10, 22, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 0;
            position: relative;
        }
        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 168, 37, 0.3), transparent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            display: block;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 260px;
        }
        .icp-text {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-col h3 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text-primary);
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--amber), transparent);
        }
        .footer-col a,
        .footer-col span {
            display: block;
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--amber);
            padding-left: 4px;
        }
        .social-icons {
            display: flex;
            gap: 10px;
            margin-top: 14px;
        }
        .social-icons a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: var(--transition);
            margin-bottom: 0;
        }
        .social-icons a:hover {
            background: rgba(255, 168, 37, 0.15);
            border-color: var(--amber);
            color: var(--amber);
            transform: translateY(-2px);
            padding-left: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 18px 0;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            :root {
                --space-lg: 64px;
                --space-md: 48px;
                --space-sm: 36px;
            }
            .play-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            :root {
                --space-lg: 48px;
                --space-md: 40px;
                --space-sm: 32px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                width: 76%;
                max-width: 320px;
                height: 100vh;
                background: rgba(10, 16, 36, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-left: 1px solid var(--glass-border);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 12px;
                transform: translateX(100%);
                transition: transform .35s ease;
                margin-left: 0;
                padding: 40px 24px;
                z-index: 1050;
            }
            .main-nav.open {
                transform: translateX(0);
            }
            .nav-link {
                font-size: 1rem;
                padding: 12px 24px;
                width: 100%;
                text-align: center;
            }
            .nav-cta {
                display: none;
            }
            .header-inner {
                gap: 12px;
            }
            .brand {
                font-size: 0.98rem;
            }
            .breadcrumb-bar {
                padding-top: 92px;
            }
            .page-hero {
                min-height: 260px;
                padding: 40px 0 32px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .hero-title-wrap {
                max-width: 100%;
            }
            .hero-meta .meta-item {
                font-size: 0.75rem;
                padding: 4px 10px;
            }
            .play-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .process-step {
                display: flex;
                align-items: center;
                text-align: left;
                gap: 16px;
                padding: 0;
            }
            .process-step .step-num {
                font-size: 2rem;
                min-width: 48px;
                margin-bottom: 0;
            }
            .process-step .step-icon {
                margin: 0;
                width: 44px;
                height: 44px;
                font-size: 0.95rem;
            }
            .process-step div {
                flex: 1;
            }
            .process-step h3 {
                margin-bottom: 4px;
            }
            .process-step p {
                max-width: none;
                margin: 0;
            }
            .news-item {
                padding: 14px 4px;
                gap: 12px;
            }
            .news-thumb {
                width: 60px;
                height: 60px;
            }
            .news-content h3 {
                font-size: 0.88rem;
            }
            .news-content p {
                font-size: 0.78rem;
                -webkit-line-clamp: 1;
            }
            .news-meta {
                font-size: 0.72rem;
                gap: 6px;
                flex-wrap: wrap;
            }
            .news-item .news-link {
                display: none;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 12px 10px;
            }
            .faq-answer .ans-inner {
                padding-left: 20px;
                margin-left: 10px;
            }
            .cta-banner {
                padding: 36px 24px;
                border-radius: 16px;
            }
            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .pagination {
                flex-wrap: wrap;
            }
            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
            }
        }
        @media (max-width: 480px) {
            .brand {
                font-size: 0.88rem;
            }
            .hero-meta .meta-item {
                display: none;
            }
            .news-meta .thumb:nth-child(2) {
                display: none;
            }
        }

        /* ========== 减少动效偏好 ========== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation: none !important;
                transition: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: article */
:root {
  --bg-primary: #0A1024;
  --bg-secondary: #0B163D;
  --bg-tertiary: #0D1F44;
  --amber: #FFA825;
  --amber-dark: #FF8A3D;
  --text-primary: #E9F2FF;
  --text-secondary: #AFC3DA;
  --text-muted: #6F89A8;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
  --glass-highlight: rgba(255,255,255,0.08);
  --glow-amber: rgba(255,168,37,0.35);
  --glow-blue: rgba(80,140,255,0.18);
  --radius-lg: 24px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --shadow-default: 0 8px 32px rgba(0,0,0,0.25);
  --shadow-hover: 0 16px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,168,37,0.15);
  --transition: 0.3s ease;
  --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  --font-num: 'DIN Alternate', 'Segoe UI', 'Helvetica Neue', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
ul, ol { list-style-position: inside; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; }
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 980px; }
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -2;
  pointer-events: none;
}
.bg-orb.amber { width: 480px; height: 480px; top: -120px; right: -80px; background: rgba(255,168,37,0.08); }
.bg-orb.blue { width: 620px; height: 620px; bottom: -200px; left: -120px; background: rgba(80,140,255,0.07); }
.hex-pattern {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='56' height='100' viewBox='0 0 56 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M28 0L56 16.2v32.4L28 64.8L0 48.6V16.2z' fill='none' stroke='rgba(255,168,37,0.045)' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 56px 100px;
  z-index: -1;
  pointer-events: none;
}
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
.site-header.scrolled {
  background: rgba(10,16,36,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255,168,37,0.1);
  border: 1px solid rgba(255,168,37,0.25);
}
.logo-text {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, #FFA825, #FFD089);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}
.nav-link:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
}
.nav-link.active {
  color: var(--amber);
  position: relative;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--amber), var(--amber-dark));
  box-shadow: 0 0 8px rgba(255,168,37,0.5);
}
.nav-cta {
  flex-shrink: 0;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  gap: 5px;
  padding: 10px;
  z-index: 1002;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 4px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--amber), var(--amber-dark));
  color: #0A1024;
  font-weight: 700;
  box-shadow: 0 0 20px rgba(255,168,37,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 34px rgba(255,168,37,0.55);
  filter: brightness(1.05);
}
.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 12px rgba(255,168,37,0.35);
}
.btn-secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  color: var(--text-primary);
  backdrop-filter: blur(16px);
}
.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(255,168,37,0.08);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 40px; font-size: 1.05rem; border-radius: 14px; }
.article-hero {
  position: relative;
  padding: 148px 0 56px;
  background-image: linear-gradient(rgba(10,16,36,0.82), rgba(10,16,36,0.92)), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}
.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,168,37,0.4), transparent);
}
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }
.breadcrumb-current {
  color: var(--text-secondary);
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-header { max-width: 900px; }
.article-title {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 22px;
  color: var(--text-primary);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.meta-item i {
  color: var(--amber);
  font-size: 0.95rem;
}
.meta-item .meta-date,
.meta-item .meta-category {
  font-family: var(--font-num);
  font-feature-settings: 'tnum';
  color: var(--text-secondary);
}
.meta-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(255,168,37,0.12);
  border: 1px solid rgba(255,168,37,0.3);
  color: var(--amber);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}
.article-body {
  padding: 48px 0 64px;
  position: relative;
}
.article-content {
  max-width: 780px;
  margin: 0 auto;
  color: var(--text-secondary);
  line-height: 1.8;
}
.article-content p {
  margin-bottom: 18px;
  text-align: left;
}
.article-content h2 {
  font-size: 1.45rem;
  color: var(--text-primary);
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--amber);
  border-radius: 4px;
  font-weight: 700;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin: 28px 0 14px;
  font-weight: 700;
}
.article-content ul,
.article-content ol {
  margin: 0 0 18px 24px;
  line-height: 1.8;
}
.article-content li {
  margin-bottom: 6px;
}
.article-content img {
  border-radius: 16px;
  margin: 24px 0;
  box-shadow: var(--shadow-default);
}
.article-content blockquote {
  background: var(--glass-bg);
  border-left: 4px solid var(--amber);
  padding: 16px 24px;
  border-radius: 0 16px 16px 0;
  color: var(--text-secondary);
  margin: 24px 0;
  backdrop-filter: blur(12px);
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 0.92rem;
  border-radius: 12px;
  overflow: hidden;
}
.article-content table th {
  background: rgba(255,168,37,0.08);
  color: var(--text-primary);
  font-weight: 600;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.1);
  text-align: left;
}
.article-content table td {
  padding: 12px 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
}
.article-content code {
  background: rgba(255,255,255,0.1);
  padding: 2px 8px;
  border-radius: 6px;
  font-family: 'Cascadia Code', 'Consolas', monospace;
  font-size: 0.85em;
  color: var(--amber);
}
.article-content pre {
  background: rgba(10,16,36,0.8);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.6;
}
.article-content pre code {
  background: none;
  color: var(--text-primary);
  padding: 0;
  font-size: 0.88rem;
}
.article-not-found {
  padding: 180px 0 100px;
  min-height: 60vh;
}
.not-found-card {
  text-align: center;
  max-width: 520px;
  margin: 0 auto;
  padding: 56px 48px;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.03));
  backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-default);
}
.not-found-icon {
  font-size: 3rem;
  color: var(--amber);
  margin-bottom: 24px;
  text-shadow: 0 0 20px rgba(255,168,37,0.4);
}
.not-found-card h2 {
  font-size: 1.6rem;
  margin-bottom: 12px;
}
.not-found-card p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}
.related-section {
  padding: 64px 0 40px;
  position: relative;
}
.related-section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,168,37,0.2), transparent);
}
.section-title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  margin-bottom: 36px;
  padding-left: 16px;
  position: relative;
  color: var(--text-primary);
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0; top: 6px;
  width: 4px;
  height: calc(100% - 12px);
  background: linear-gradient(180deg, var(--amber), var(--amber-dark));
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(255,168,37,0.4);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  gap: 18px;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.35s ease;
  overflow: hidden;
  position: relative;
}
.related-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, transparent 50%, rgba(255,168,37,0.1) 50%);
  border-radius: 0 0 0 48px;
  opacity: 0;
  transition: opacity 0.3s;
}
.related-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.related-card:hover::after { opacity: 1; }
.related-thumb {
  width: 96px;
  height: 76px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--glass-bg);
}
.related-info {
  flex: 1;
  min-width: 0;
}
.related-info h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info .related-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-num);
  font-feature-settings: 'tnum';
}
.related-info .related-date i {
  margin-right: 5px;
  color: var(--amber);
  font-size: 0.8rem;
}
.back-entry {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
  justify-content: center;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 26px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  transition: all 0.3s ease;
}
.back-btn:hover {
  border-color: var(--amber);
  color: var(--amber);
  background: rgba(255,168,37,0.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,168,37,0.12);
}
.back-btn i {
  font-size: 0.85rem;
}
.cta-section {
  padding: 80px 0 60px;
  position: relative;
}
.cta-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(255,168,37,0.16), rgba(255,138,61,0.08)), rgba(11,22,61,0.7);
  border: 1px solid rgba(255,168,37,0.25);
  border-radius: var(--radius-lg);
  padding: 56px 64px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  backdrop-filter: blur(20px);
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,168,37,0.2), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-inner::after {
  content: '';
  position: absolute;
  bottom: 0; left: 40%;
  width: 200px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(255,168,37,0.5);
}
.cta-content {
  flex: 1;
  min-width: 280px;
}
.cta-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 14px;
  line-height: 1.3;
}
.cta-content p {
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: 28px;
  line-height: 1.7;
}
.cta-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cta-info {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 220px;
  padding: 28px 32px;
  background: rgba(10,16,36,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}
.cta-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.cta-value {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 600;
}
.site-footer {
  background: rgba(8,12,28,0.92);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 64px 0 0;
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,168,37,0.3), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .brand-text {
  font-size: 1.3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--amber), #FFD089);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  display: inline-block;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin: 12px 0 20px;
  max-width: 280px;
  line-height: 1.7;
}
.icp-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: inline-block;
  padding: 6px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
}
.footer-col h3 {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 18px;
  padding-bottom: 12px;
  position: relative;
}
.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent);
  border-radius: 4px;
}
.footer-col a,
.footer-col span {
  display: block;
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 12px;
  transition: color 0.2s, transform 0.2s;
}
.footer-col a:hover {
  color: var(--amber);
  transform: translateX(4px);
}
.social-icons {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.3s ease;
  margin-bottom: 0;
}
.social-icons a:hover {
  background: rgba(255,168,37,0.15);
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(255,168,37,0.2);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 24px 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-inner { padding: 40px 32px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: rgba(10,16,36,0.97);
    backdrop-filter: blur(30px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 999;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 0;
    padding: 40px 24px;
  }
  .main-nav.open { transform: translateX(0); }
  .nav-link {
    font-size: 1.1rem;
    padding: 12px 28px;
  }
  .nav-link.active::after {
    bottom: 4px;
    width: 28px;
  }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .article-hero { padding: 120px 0 40px; }
  .article-title { font-size: 1.45rem; }
  .article-meta { gap: 12px; }
  .article-body { padding: 32px 0 48px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card {
    padding: 14px;
  }
  .related-thumb {
    width: 80px;
    height: 70px;
  }
  .cta-inner {
    flex-direction: column;
    gap: 32px;
    padding: 36px 24px;
    border-radius: 20px;
  }
  .cta-actions { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .cta-info { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .footer-brand p { max-width: 100%; }
  .back-entry { flex-direction: column; }
  .back-btn { justify-content: center; }
  .breadcrumb { font-size: 0.8rem; }
  .breadcrumb-current { max-width: 200px; }
}
@media (max-width: 480px) {
  .logo-text { font-size: 1rem; }
  .logo-icon { width: 36px; height: 36px; }
  .header-inner { height: 66px; }
  .btn-lg { width: 100%; }
  .article-content { line-height: 1.75; }
  .article-content h2 { font-size: 1.2rem; }
  .related-thumb { width: 72px; height: 64px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* roulang page: category3 */
:root{
  --bg-deep:#0A1024;
  --bg-primary:#0B163D;
  --bg-secondary:#0D1F44;
  --amber:#FFA825;
  --amber-deep:#FF8A3D;
  --text-main:#E9F2FF;
  --text-sub:#AFC3DA;
  --text-weak:#6F89A8;
  --glass-bg:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.12);
  --glass-highlight:rgba(255,255,255,0.08);
  --glow-amber:rgba(255,168,37,0.35);
  --glow-blue:rgba(80,140,255,0.18);
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:12px;
  --container-width:1280px;
  --shadow-default:0 8px 32px rgba(0,0,0,0.25);
  --shadow-hover:0 16px 48px rgba(0,0,0,0.4),0 0 0 1px rgba(255,168,37,0.15);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg-deep);
  color:var(--text-main);
  line-height:1.75;
  font-size:1rem;
  overflow-x:hidden;
  background-image:radial-gradient(circle at 20% 10%,rgba(255,168,37,0.06) 0,transparent 30%),radial-gradient(circle at 80% 60%,rgba(80,140,255,0.08) 0,transparent 35%);
  background-attachment:fixed;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M40 2 L78 22 L78 58 L40 78 L2 58 L2 22 Z' fill='none' stroke='rgba(255,255,255,0.025)' stroke-width='1'/%3E%3C/svg%3E");
  background-size:80px 80px;
  pointer-events:none;
  z-index:0;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
.container{max-width:var(--container-width);margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* Header & Nav */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  transition:var(--transition);
  padding:16px 0;
  background:transparent;
}
.site-header.scrolled{
  background:rgba(10,16,36,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  padding:12px 0;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.brand{
  font-size:1.25rem;
  font-weight:800;
  color:var(--text-main);
  letter-spacing:-0.02em;
  white-space:nowrap;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.brand::before{
  content:"";
  display:inline-block;
  width:10px;height:10px;
  background:linear-gradient(135deg,var(--amber),var(--amber-deep));
  border-radius:3px;
  margin-right:8px;
  box-shadow:0 0 12px var(--glow-amber);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-link{
  padding:8px 18px;
  border-radius:999px;
  font-size:0.95rem;
  color:var(--text-sub);
  transition:var(--transition);
  position:relative;
  white-space:nowrap;
}
.nav-link:hover{
  background:rgba(255,255,255,0.08);
  color:var(--text-main);
}
.nav-link.active{
  color:var(--amber);
  background:rgba(255,168,37,0.08);
}
.nav-link.active::after{
  content:"";
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:20px;
  height:3px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  box-shadow:0 0 10px var(--glow-amber);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:0.95rem;
  padding:12px 26px;
  transition:var(--transition);
  white-space:nowrap;
  line-height:1;
}
.btn-primary{
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  color:#1A1100;
  box-shadow:0 0 20px var(--glow-amber),0 4px 20px rgba(255,138,61,0.25);
}
.btn-primary:hover{
  box-shadow:0 0 36px rgba(255,168,37,0.55),0 6px 28px rgba(255,138,61,0.35);
  transform:translateY(-2px);
  filter:brightness(1.05);
}
.btn-primary:active{
  transform:scale(0.97);
  box-shadow:0 0 12px var(--glow-amber);
}
.btn-secondary{
  background:rgba(255,255,255,0.06);
  color:var(--text-main);
  border:1px solid rgba(255,255,255,0.15);
  backdrop-filter:blur(10px);
}
.btn-secondary:hover{
  border-color:var(--amber);
  color:var(--amber);
  box-shadow:0 0 20px rgba(255,168,37,0.15);
}
.btn-lg{padding:16px 40px;font-size:1.05rem;border-radius:16px;}
.nav-cta{padding:10px 22px;font-size:0.9rem;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(255,255,255,0.06);
  border:1px solid var(--glass-border);
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  color:var(--text-main);
}

/* Page Hero */
.page-hero{
  position:relative;
  min-height:320px;
  display:flex;
  align-items:center;
  padding:140px 0 80px;
  background-image:linear-gradient(90deg,var(--bg-deep) 0%,rgba(10,16,36,0.75) 55%,rgba(13,31,68,0.35) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid rgba(255,168,37,0.12);
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,var(--amber),transparent 60%);
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:0.85rem;
  color:var(--text-weak);
  margin-bottom:24px;
}
.breadcrumb a{color:var(--text-weak);transition:var(--transition);}
.breadcrumb a:hover{color:var(--amber);}
.hero-main{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:60px;
}
.hero-copy h1{
  font-size:clamp(2rem,5vw,3.6rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-0.02em;
  color:var(--text-main);
  margin-bottom:16px;
  position:relative;
  padding-left:22px;
}
.hero-copy h1::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:6px;
  border-radius:4px;
  background:linear-gradient(180deg,var(--amber),var(--amber-deep));
  box-shadow:0 0 16px var(--glow-amber);
}
.hero-copy p{
  font-size:1.08rem;
  color:var(--text-sub);
  max-width:560px;
  line-height:1.8;
}
.hero-meta .glass-card{
  min-width:320px;
  padding:28px;
}
.glass-card{
  background:linear-gradient(135deg,rgba(255,255,255,0.10),rgba(255,255,255,0.03));
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-default);
  position:relative;
}
.glass-card::before{
  content:"";
  position:absolute;
  top:0;left:16px;right:16px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.25),transparent);
}
.hero-metrics{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.metric{
  display:flex;
  align-items:center;
  gap:16px;
}
.metric-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:rgba(255,168,37,0.12);
  border:1px solid rgba(255,168,37,0.25);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--amber);
  font-size:1.1rem;
  flex-shrink:0;
}
.metric-info{
  display:flex;
  flex-direction:column;
  line-height:1.3;
}
.metric-num{
  font-size:1.4rem;
  font-weight:800;
  color:var(--text-main);
  font-feature-settings:"tnum";
}
.metric-label{
  font-size:0.8rem;
  color:var(--text-weak);
}

/* Section Base */
.section{
  padding:80px 0;
  position:relative;
}
.section-head{
  margin-bottom:48px;
  max-width:720px;
}
.section-head h2{
  font-size:clamp(1.4rem,3vw,2.2rem);
  font-weight:800;
  line-height:1.3;
  color:var(--text-main);
  margin-bottom:12px;
  padding-left:18px;
  position:relative;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:8px;bottom:8px;
  width:5px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--amber),var(--amber-deep));
  box-shadow:0 0 12px var(--glow-amber);
}
.section-head p{
  color:var(--text-sub);
  font-size:1rem;
  line-height:1.7;
}

/* Stats Strip */
.stats-strip{
  margin-top:-40px;
  position:relative;
  z-index:2;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  padding:24px 20px;
  text-align:center;
  border-radius:var(--radius-md);
  background:linear-gradient(135deg,rgba(255,255,255,0.09),rgba(255,255,255,0.03));
  backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  transition:var(--transition);
}
.stat-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,168,37,0.35);
  box-shadow:var(--shadow-hover);
}
.stat-num{
  font-size:1.9rem;
  font-weight:800;
  color:var(--amber);
  font-feature-settings:"tnum";
  line-height:1.2;
}
.stat-label{
  font-size:0.85rem;
  color:var(--text-sub);
  margin-top:4px;
}

/* Cards Grid */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.security-card{
  padding:28px 24px;
  border-radius:var(--radius-md);
  background:linear-gradient(135deg,rgba(255,255,255,0.09),rgba(255,255,255,0.02));
  backdrop-filter:blur(20px);
  border:1px solid var(--glass-border);
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.security-card::after{
  content:"";
  position:absolute;
  top:-1px;left:24px;right:24px;
  height:1px;
  background:linear-gradient(90deg,var(--amber),transparent 70%);
  opacity:0;
  transition:var(--transition);
}
.security-card:hover{
  background:rgba(255,255,255,0.10);
  border-color:rgba(255,255,255,0.22);
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.security-card:hover::after{opacity:1;}
.security-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(255,168,37,0.16),rgba(255,138,61,0.08));
  border:1px solid rgba(255,168,37,0.25);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--amber);
  font-size:1.3rem;
  margin-bottom:20px;
}
.security-card h3{
  font-size:1.1rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:10px;
}
.security-card p{
  font-size:0.92rem;
  color:var(--text-sub);
  line-height:1.7;
}

/* Scenario */
.scenario-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.scenario-card{
  display:flex;
  gap:24px;
  padding:28px;
  border-radius:var(--radius-md);
  background:linear-gradient(135deg,rgba(255,255,255,0.08),rgba(255,255,255,0.02));
  backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  transition:var(--transition);
}
.scenario-card:hover{
  border-color:rgba(255,168,37,0.3);
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}
.scenario-sn{
  width:48px;height:48px;
  border-radius:14px;
  background:rgba(255,168,37,0.12);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--amber);
  font-size:1.2rem;
  flex-shrink:0;
}
.scenario-info h3{
  font-size:1.05rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:8px;
}
.scenario-info p{
  font-size:0.9rem;
  color:var(--text-sub);
  line-height:1.7;
}
.scenario-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:0.75rem;
  color:var(--amber);
  background:rgba(255,168,37,0.08);
  border:1px solid rgba(255,168,37,0.2);
}

/* Process */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
  position:relative;
}
.process-grid::before{
  content:"";
  position:absolute;
  top:45px;left:12%;right:12%;
  height:2px;
  background:linear-gradient(90deg,var(--amber),rgba(255,168,37,0.3),var(--amber-deep));
  opacity:0.4;
  z-index:0;
}
.step-card{
  position:relative;
  z-index:1;
  padding:24px;
  border-radius:var(--radius-md);
  background:var(--bg-primary);
  border:1px solid var(--glass-border);
  text-align:center;
  transition:var(--transition);
}
.step-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,168,37,0.3);
  box-shadow:var(--shadow-hover);
}
.step-num{
  font-size:2.4rem;
  font-weight:800;
  color:var(--amber);
  line-height:1;
  font-feature-settings:"tnum";
  text-shadow:0 0 24px var(--glow-amber);
  margin-bottom:14px;
  font-family:"Segoe UI","DIN Alternate",sans-serif;
}
.step-card h3{
  font-size:1rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:8px;
}
.step-card p{
  font-size:0.85rem;
  color:var(--text-sub);
  line-height:1.65;
}

/* Info List */
.info-list{
  display:flex;
  flex-direction:column;
}
.info-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:20px 0;
  border-bottom:1px solid rgba(255,255,255,0.08);
  transition:var(--transition);
}
.info-item:last-child{border-bottom:none;}
.info-item:hover{
  background:rgba(255,255,255,0.03);
  padding-left:12px;
  border-radius:12px;
}
.info-thumb{
  width:80px;height:80px;
  border-radius:14px;
  overflow:hidden;
  flex-shrink:0;
  position:relative;
}
.info-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.info-item:hover .info-thumb img{
  transform:scale(1.06);
}
.info-content{
  flex:1;
  min-width:0;
}
.info-content h3{
  font-size:1rem;
  font-weight:600;
  color:var(--text-main);
  margin-bottom:4px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.info-content p{
  font-size:0.88rem;
  color:var(--text-sub);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  line-height:1.6;
}
.info-meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:6px;
  font-size:0.78rem;
  color:var(--text-weak);
}
.info-meta .info-cat{
  color:var(--amber);
  background:rgba(255,168,37,0.08);
  padding:2px 10px;
  border-radius:999px;
  font-size:0.72rem;
}
.info-link{
  color:var(--amber);
  font-size:0.9rem;
  white-space:nowrap;
  display:flex;
  align-items:center;
  gap:6px;
  flex-shrink:0;
}
.info-link i{
  transition:transform .25s ease;
}
.info-link:hover i{
  transform:translateX(4px);
}

/* FAQ */
.faq-layout{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:60px;
  align-items:start;
}
.faq-side{
  position:sticky;
  top:120px;
}
.faq-side h2{
  font-size:1.5rem;
  font-weight:800;
  color:var(--text-main);
  margin-bottom:12px;
  padding-left:18px;
  position:relative;
}
.faq-side h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--amber),var(--amber-deep));
}
.faq-side p{
  color:var(--text-weak);
  font-size:0.9rem;
  line-height:1.7;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  border-radius:16px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item.open{
  background:rgba(255,255,255,0.06);
  border-color:rgba(255,168,37,0.2);
}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 24px;
  text-align:left;
  font-size:0.98rem;
  font-weight:600;
  color:var(--text-main);
  transition:var(--transition);
  min-height:56px;
}
.faq-question:hover{color:var(--amber);}
.faq-icon{
  width:28px;height:28px;
  border-radius:8px;
  background:rgba(255,168,37,0.1);
  border:1px solid rgba(255,168,37,0.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--amber);
  font-size:1rem;
  flex-shrink:0;
  transition:var(--transition);
}
.faq-item.open .faq-icon{
  transform:rotate(180deg);
  background:rgba(255,168,37,0.2);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease-out;
}
.faq-answer-inner{
  padding:0 24px 20px 24px;
  border-left:3px solid var(--amber);
  margin:0 24px 0 24px;
  color:var(--text-sub);
  font-size:0.92rem;
  line-height:1.75;
}
.faq-foot{
  margin-top:20px;
  font-size:0.85rem;
  color:var(--text-weak);
  display:flex;
  gap:8px;
  align-items:center;
}
.faq-foot a{
  color:var(--amber);
  font-size:0.85rem;
}

/* CTA */
.cta-section{
  padding:80px 0 100px;
}
.cta-card{
  position:relative;
  border-radius:var(--radius-lg);
  padding:64px 48px;
  background:linear-gradient(120deg,rgba(255,168,37,0.9),rgba(255,138,61,0.85));
  overflow:hidden;
  text-align:center;
}
.cta-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 1 L59 16 L59 44 L30 59 L1 44 L1 16 Z' fill='none' stroke='rgba(255,255,255,0.18)' stroke-width='1'/%3E%3C/svg%3E");
  background-size:60px 60px;
  pointer-events:none;
}
.cta-card > *{position:relative;z-index:1;}
.cta-card h2{
  font-size:clamp(1.6rem,3.4vw,2.4rem);
  font-weight:800;
  color:#201400;
  margin-bottom:14px;
  letter-spacing:-0.02em;
}
.cta-card p{
  color:rgba(32,20,0,0.85);
  font-size:1.05rem;
  margin-bottom:30px;
}
.cta-card .btn{
  background:#201400;
  color:var(--amber);
  box-shadow:0 0 40px rgba(0,0,0,0.25);
}
.cta-card .btn:hover{
  transform:translateY(-2px);
  box-shadow:0 0 50px rgba(0,0,0,0.35);
}
.cta-contact{
  display:block;
  margin-top:20px;
  font-size:0.85rem;
  color:rgba(32,20,0,0.7);
}

/* Footer */
.site-footer{
  background:rgba(8,12,28,0.95);
  border-top:1px solid rgba(255,168,37,0.12);
  padding:60px 0 0;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:40px;
}
.footer-brand .brand-text{
  font-size:1.2rem;
  font-weight:800;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.footer-brand p{
  color:var(--text-sub);
  font-size:0.9rem;
  margin:12px 0 16px;
  line-height:1.7;
}
.icp-text{
  display:inline-block;
  padding:4px 14px;
  border-radius:999px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  font-size:0.78rem;
  color:var(--text-weak);
}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col h3{
  font-size:0.95rem;
  font-weight:700;
  color:var(--text-main);
  margin-bottom:10px;
}
.footer-col a,
.footer-col span{
  color:var(--text-sub);
  font-size:0.88rem;
  transition:var(--transition);
  line-height:1.6;
}
.footer-col a:hover{color:var(--amber);}
.social-icons{
  display:flex;
  gap:10px;
  margin-top:14px;
}
.social-icons a{
  width:36px;height:36px;
  border-radius:50%;
  background:rgba(255,255,255,0.06);
  border:1px solid var(--glass-border);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.9rem;
  color:var(--text-sub);
  transition:var(--transition);
}
.social-icons a:hover{
  background:rgba(255,168,37,0.15);
  border-color:var(--amber);
  color:var(--amber);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:0.85rem;
  color:var(--text-weak);
  flex-wrap:wrap;
  gap:8px;
}

/* Animations */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-copy,.hero-meta{animation:fadeUp .6s ease both;}
.hero-meta{animation-delay:.15s;}

/* Responsive */
@media(max-width:1024px){
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid{grid-template-columns:repeat(2,1fr);}
  .process-grid::before{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero-main{flex-direction:column;align-items:flex-start;gap:32px;}
  .hero-meta .glass-card{min-width:100%;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
}
@media(max-width:768px){
  .nav-cta{display:none;}
  .main-nav{
    position:fixed;
    top:72px;left:16px;right:16px;
    background:rgba(10,16,36,0.96);
    backdrop-filter:blur(24px);
    border:1px solid var(--glass-border);
    border-radius:20px;
    flex-direction:column;
    padding:20px;
    gap:8px;
    transform:translateY(-20px);
    opacity:0;
    visibility:hidden;
    transition:var(--transition);
    z-index:999;
    box-shadow:0 24px 60px rgba(0,0,0,0.4);
  }
  .main-nav.open{
    transform:translateY(0);
    opacity:1;
    visibility:visible;
  }
  .nav-link{
    width:100%;
    text-align:center;
    padding:14px 18px;
    font-size:1rem;
  }
  .nav-toggle{display:inline-flex;}
  .page-hero{padding:120px 0 60px;min-height:280px;}
  .section{padding:56px 0;}
  .cards-grid,.scenario-grid,.process-grid,.stats-grid{
    grid-template-columns:1fr;
  }
  .scenario-card{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-card{padding:44px 24px;}
  .info-item{
    flex-direction:column;
    align-items:flex-start;
    gap:12px;
  }
  .info-link{align-self:flex-start;}
  .info-thumb{width:100%;height:120px;}
}
@media(max-width:520px){
  .container{padding:0 16px;}
  .brand{font-size:1.05rem;}
  .brand::before{width:8px;height:8px;}
  .stat-card{padding:18px;}
  .stat-num{font-size:1.5rem;}
  .security-card{padding:22px 18px;}
  .faq-question{padding:16px 18px;font-size:0.92rem;}
  .faq-answer-inner{padding:0 16px 16px;margin:0 16px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category2 */
:root {
  --bg: #0A1024;
  --bg2: #0B163D;
  --bg3: #0D1F44;
  --amber: #FFA825;
  --amber2: #FF8A3D;
  --text: #E9F2FF;
  --muted: #AFC3DA;
  --weak: #6F89A8;
  --border: rgba(255, 255, 255, 0.12);
  --border-bright: rgba(255, 255, 255, 0.2);
  --glass: rgba(255, 255, 255, 0.06);
  --glass-strong: rgba(255, 255, 255, 0.1);
  --glow: rgba(255, 168, 37, 0.35);
  --blue-glow: rgba(80, 140, 255, 0.18);
  --radius: 20px;
  --radius-lg: 24px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 168, 37, 0.15);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-num: "DIN Alternate", "Segoe UI", "Arial", sans-serif;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(80, 140, 255, 0.12), transparent 60%), linear-gradient(180deg, #0A1024 0%, #0B163D 100%);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(255, 168, 37, 0.3);
  color: #fff;
}

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

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

button,
input {
  font-family: inherit;
}

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.glass-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@supports not ((backdrop-filter: blur(20px)) or (-webkit-backdrop-filter: blur(20px))) {
  .glass-card {
    background: rgba(10, 16, 36, 0.94);
  }
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled {
  background: rgba(10, 16, 36, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text);
  white-space: nowrap;
  transition: color 0.25s ease;
}

.brand:hover {
  color: var(--amber);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 16px;
  color: var(--muted);
  font-size: 0.9375rem;
  border-radius: 999px;
  white-space: nowrap;
  transition: color 0.25s ease, background 0.25s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: var(--amber);
  font-weight: 700;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--amber), var(--amber2));
  box-shadow: 0 0 10px var(--glow);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  border: none;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn-primary {
  background: linear-gradient(90deg, #FFA825, #FF8A3D);
  color: #0A1024;
  box-shadow: 0 0 6px rgba(255, 168, 37, 0.35), 0 8px 24px rgba(255, 138, 61, 0.25);
}

.btn-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow: 0 0 14px rgba(255, 168, 37, 0.5), 0 12px 32px rgba(255, 138, 61, 0.3);
}

.btn-primary:active {
  transform: scale(0.97);
  box-shadow: 0 0 6px rgba(255, 168, 37, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

.btn-sm {
  min-height: 40px;
  padding: 0 18px;
  font-size: 0.875rem;
}

.btn-lg {
  min-height: 52px;
  padding: 0 32px;
  font-size: 1rem;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.nav-toggle:hover {
  border-color: rgba(255, 168, 37, 0.4);
}

.nav-toggle .bar {
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.is-active .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-active .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.page-hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 300px;
  padding: 120px 0 56px;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(10, 16, 36, 0.94) 0%, rgba(13, 31, 68, 0.82) 50%, rgba(255, 168, 37, 0.08) 100%), url("/assets/images/backpic/back-2.png") center / cover no-repeat;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 0L56 16.7v33.3L28 66.7 0 50V16.7z' fill='none' stroke='%23FFA825' stroke-opacity='0.08'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0.7;
}

.page-hero::after {
  content: "";
  position: absolute;
  right: -5%;
  bottom: -1px;
  width: 70%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 168, 37, 0.9), rgba(255, 138, 61, 0.3), transparent);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--weak);
  font-size: 0.875rem;
  margin-bottom: 12px;
}

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

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

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.7fr);
  gap: 48px;
  align-items: center;
}

.hero-main h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
}

.hero-lead {
  max-width: 600px;
  color: var(--muted);
  font-size: 1.0625rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 28px;
}

.hero-aside {
  padding: 24px;
}

.hero-aside-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--amber);
  font-weight: 700;
  font-size: 0.9375rem;
}

.hero-meta-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-meta-row:last-of-type {
  border-bottom: none;
}

.hero-meta-row i {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 168, 37, 0.12);
  border: 1px solid rgba(255, 168, 37, 0.2);
  color: var(--amber);
  font-size: 1rem;
}

.hero-meta-row strong {
  display: block;
  font-size: 0.9375rem;
}

.hero-meta-row span {
  font-size: 0.8125rem;
  color: var(--weak);
}

.hero-aside-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--weak);
  font-size: 0.8125rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 0 rgba(255, 168, 37, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 168, 37, 0.45);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(255, 168, 37, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 168, 37, 0);
  }
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background: linear-gradient(180deg, rgba(13, 31, 68, 0.4), rgba(10, 16, 36, 0));
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 44px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.section-title::before {
  content: "";
  width: 4px;
  height: 28px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--amber), var(--amber2));
  box-shadow: 0 0 12px var(--glow);
  flex-shrink: 0;
}

.section-desc {
  max-width: 520px;
  color: var(--muted);
}

.play-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.play-card {
  position: relative;
  padding: 28px;
  transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.play-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-bright);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 168, 37, 0.12);
  border: 1px solid rgba(255, 168, 37, 0.25);
  color: var(--amber);
  font-size: 1.5rem;
}

.play-card h3 {
  margin: 20px 0 8px;
  font-size: 1.125rem;
}

.play-card p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.card-tag {
  display: inline-flex;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 168, 37, 0.22);
  color: var(--amber);
  font-size: 0.75rem;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.scenario-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.scenario-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-bright);
  box-shadow: var(--shadow-hover);
}

@media (min-width: 1024px) {
  .scenario-grid {
    align-items: start;
  }

  .scenario-card:nth-child(2) {
    margin-top: 32px;
  }
}

.scenario-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg2);
}

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

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

.scenario-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 16, 36, 0.6));
}

.scenario-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.scenario-body h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.scenario-body p {
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.scenario-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
  color: var(--amber);
  font-weight: 600;
  font-size: 0.875rem;
}

.scenario-link i {
  transition: transform 0.3s ease;
}

.scenario-link:hover i {
  transform: translateX(4px);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.process-step {
  position: relative;
  padding: 32px 20px;
  text-align: center;
}

.process-step .step-num {
  font-family: var(--font-num);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  background: linear-gradient(120deg, var(--amber), var(--amber2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 12px rgba(255, 168, 37, 0.25));
}

.process-step h3 {
  margin: 18px 0 8px;
  font-size: 1.125rem;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.process-step::after {
  content: "\f061";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: -18px;
  top: 50%;
  color: rgba(255, 168, 37, 0.5);
  font-size: 0.9rem;
  transform: translateY(-50%);
}

.process-step:last-child::after {
  display: none;
}

.data-panel {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.data-item {
  padding: 36px 24px;
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

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

.data-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 168, 37, 0.12);
  border: 1px solid rgba(255, 168, 37, 0.2);
  color: var(--amber);
  font-size: 1.25rem;
}

.data-value {
  font-family: var(--font-num);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
}

.data-label {
  margin-top: 8px;
  color: var(--weak);
  font-size: 0.875rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 56px;
  align-items: start;
}

.faq-side .section-title {
  margin-bottom: 16px;
}

.faq-side p {
  color: var(--muted);
  margin-bottom: 24px;
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.faq-item.open {
  border-color: rgba(255, 168, 37, 0.35);
  background: rgba(255, 255, 255, 0.06);
}

.faq-question {
  width: 100%;
  min-height: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: none;
  border: none;
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

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

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--amber);
  font-weight: 700;
  flex-shrink: 0;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.faq-icon::before {
  content: "+";
}

.faq-item.open .faq-icon {
  border-color: var(--amber);
  color: var(--amber);
}

.faq-item.open .faq-icon::before {
  content: "−";
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
}

.faq-answer-inner {
  margin-left: 20px;
  padding: 0 20px 22px 18px;
  border-left: 2px solid var(--amber);
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.faq-help {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.875rem;
  color: var(--weak);
}

.faq-help a {
  color: var(--amber);
}

.cta-section {
  padding: 80px 0 96px;
}

.cta-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  padding: 64px 32px;
  text-align: center;
  background: linear-gradient(120deg, rgba(255, 168, 37, 0.18), rgba(255, 138, 61, 0.06)), url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  border: 1px solid rgba(255, 168, 37, 0.25);
  box-shadow: var(--shadow-hover);
}

.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 36, 0.78);
}

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

.cta-card h2 {
  font-size: clamp(1.6rem, 3.2vw, 2.4rem);
  margin-bottom: 14px;
}

.cta-card > p {
  max-width: 620px;
  margin: 0 auto 28px;
  color: var(--muted);
}

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

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 10px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 168, 37, 0.25);
  color: var(--amber);
  font-size: 0.875rem;
}

.site-footer {
  background: rgba(7, 12, 28, 0.92);
  border-top: 1px solid rgba(255, 168, 37, 0.12);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
}

.footer-brand p {
  max-width: 280px;
  margin: 12px 0 16px;
  color: var(--weak);
  font-size: 0.9rem;
}

.icp-text {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--weak);
  font-size: 0.75rem;
}

.footer-col h3 {
  margin-bottom: 16px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.footer-col a,
.footer-col span {
  display: block;
  margin-bottom: 10px;
  color: var(--weak);
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--amber);
}

.social-icons {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.social-icons a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--weak);
  font-size: 0.9rem;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-icons a:hover {
  background: rgba(255, 168, 37, 0.15);
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--weak);
  font-size: 0.8125rem;
}

@media (max-width: 1023px) {
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    background: rgba(10, 16, 36, 0.97);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 8px;
    padding: 80px 24px 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1001;
  }

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

  body.nav-open {
    overflow: hidden;
  }

  .nav-toggle {
    display: inline-flex;
    z-index: 1002;
  }

  .nav-link {
    width: 100%;
    padding: 14px 16px;
    font-size: 1.0625rem;
  }

  .nav-link.active::after {
    left: 16px;
    right: auto;
    width: 32px;
  }

  .page-hero {
    padding: 116px 0 52px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-aside {
    max-width: 480px;
  }

  .play-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .scenario-card:nth-child(2) {
    margin-top: 0;
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    row-gap: 40px;
  }

  .process-step::after {
    display: none;
  }

  .data-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .data-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .data-item:nth-child(3),
  .data-item:nth-child(4) {
    border-bottom: none;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 767px) {
  .section {
    padding: 56px 0;
  }

  .header-inner {
    height: 68px;
  }

  .site-header .brand {
    font-size: 1rem;
  }

  .page-hero {
    padding: 104px 0 44px;
    min-height: 280px;
  }

  .hero-lead {
    font-size: 1rem;
  }

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

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 32px;
  }

  .play-grid,
  .scenario-grid,
  .process-grid,
  .data-grid {
    grid-template-columns: 1fr;
  }

  .scenario-grid {
    gap: 20px;
  }

  .scenario-card:nth-child(2) {
    margin-top: 0;
  }

  .process-grid {
    gap: 16px;
    row-gap: 16px;
  }

  .process-step {
    border-left: 2px solid rgba(255, 168, 37, 0.25);
    border-radius: 0 12px 12px 0;
    text-align: left;
    margin-left: 10px;
    padding: 20px 20px 20px 24px;
  }

  .data-item {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  .data-item:nth-child(3) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .cta-section {
    padding: 56px 0 64px;
  }

  .cta-card {
    padding: 48px 20px;
  }

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

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

  .faq-answer-inner {
    margin-left: 12px;
    padding-left: 16px;
  }

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

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }

  html {
    scroll-behavior: auto;
  }
}