/* roulang page: index */
@layer base {
            html {
                scroll-behavior: smooth;
            }
            body {
                @apply bg-pagebg text-ink font-sans antialiased;
                line-height: 1.7;
            }
            h1,
            h2,
            h3,
            h4 {
                @apply font-bold;
                line-height: 1.3;
            }
            img {
                @apply block max-w-full;
            }
            a {
                @apply transition-colors duration-200;
            }
            button {
                cursor: pointer;
            }
            a:focus-visible,
            button:focus-visible {
                outline: 2px solid #F26B2C;
                outline-offset: 2px;
                border-radius: 6px;
            }
        }
        @layer components {
            .container-page {
                @apply max-w-7xl mx-auto px-4 md:px-6 lg:px-8;
            }
            .site-header {
                @apply sticky top-0 z-50 bg-white/95 backdrop-blur border-b border-line shadow-sm;
            }
            .brand-logo {
                @apply flex items-center gap-2;
            }
            .brand-text {
                @apply text-lg md:text-xl font-bold text-brand whitespace-nowrap tracking-tight;
            }
            .brand-badge {
                @apply text-[10px] md:text-xs px-2 py-0.5 rounded-full bg-brand-light text-brand font-semibold;
            }
            .nav-link {
                @apply inline-flex items-center px-4 py-2 text-sm md:text-[15px] font-medium text-ink/80 rounded-lg transition-all duration-200;
            }
            .nav-link:hover {
                @apply text-brand bg-brand-light;
            }
            .nav-link.active {
                @apply text-brand bg-brand-light font-semibold border-b-2 border-accent rounded-none mx-0;
            }
            .btn-cta {
                @apply inline-flex items-center justify-center bg-accent text-white font-semibold px-6 py-3 rounded-lg text-sm transition-all duration-200;
                min-width: 104px;
                min-height: 44px;
            }
            .btn-cta:hover {
                @apply bg-accent-hover;
                transform: translateY(-2px);
                box-shadow: 0 8px 20px rgba(242, 107, 44, 0.28);
            }
            .mobile-menu-btn {
                @apply p-2 text-ink rounded-lg hover:bg-brand-light;
            }
            .mobile-menu {
                @apply lg:hidden overflow-hidden max-h-0 transition-all duration-300 border-b border-line bg-white;
            }
            .mobile-menu.open {
                max-height: 480px;
            }
            .mobile-nav-link {
                @apply block px-4 py-3 text-base text-ink/80 hover:text-brand hover:bg-brand-light border-b border-line/60;
            }
            .mobile-nav-link.active {
                @apply text-brand bg-brand-light font-semibold;
            }
            .hero {
                @apply relative overflow-hidden;
            }
            .hero-overlay {
                background: linear-gradient(100deg, rgba(11, 59, 91, 0.94) 30%, rgba(11, 59, 91, 0.75) 100%);
            }
            .hero-title {
                @apply text-white font-bold leading-tight;
                font-size: clamp(2rem, 5vw, 3.25rem);
            }
            .hero-subtitle {
                @apply text-accent font-semibold mt-4 flex items-center gap-2 text-base md:text-lg;
            }
            .hero-desc {
                @apply text-white/85 mt-5 max-w-xl leading-relaxed text-base md:text-lg;
            }
            .hero-tags {
                @apply flex flex-wrap gap-3 mt-7;
            }
            .hero-tags span {
                @apply inline-flex items-center gap-1.5 px-4 py-2 rounded-full bg-white/15 text-white text-sm font-medium border border-white/20;
            }
            .login-panel {
                @apply bg-white rounded-2xl shadow-panel p-7 md:p-8;
            }
            .login-panel h3 {
                @apply text-xl text-ink;
            }
            .login-panel .login-panel-desc {
                @apply text-sm text-ink-soft mt-1;
            }
            .form-group {
                @apply mb-5;
            }
            .form-group label {
                @apply block text-sm font-semibold text-ink mb-2;
            }
            .login-input {
                @apply w-full h-11 px-4 rounded-lg border border-line bg-slate-50 text-ink text-sm outline-none transition-all duration-200;
            }
            .login-input:focus {
                @apply border-brand ring-2 ring-brand/10 bg-white;
            }
            .login-btn {
                @apply w-full h-12 mt-2 rounded-lg bg-accent text-white font-semibold text-base transition-all duration-200;
            }
            .login-btn:hover {
                @apply bg-accent-hover;
                transform: translateY(-2px);
                box-shadow: 0 10px 24px rgba(242, 107, 44, 0.3);
            }
            .login-links {
                @apply flex justify-between mt-4 text-sm;
            }
            .link-under {
                @apply text-brand font-medium hover:text-accent hover:underline;
            }
            .trust-bar {
                @apply bg-white border-b border-line;
            }
            .trust-list {
                @apply grid grid-cols-2 md:grid-cols-4;
            }
            .trust-list li {
                @apply flex items-center justify-center gap-2.5 py-5 px-4 text-sm font-medium text-ink border-b md:border-b-0 border-line;
            }
            .trust-list li+li {
                @apply md:border-l md:border-line;
            }
            .section-head h2 {
                @apply text-2xl md:text-3xl text-brand;
            }
            .section-head p {
                @apply text-ink-soft mt-2 text-sm md:text-base;
            }
            .service-card {
                @apply bg-white rounded-2xl shadow-card border border-line/60 p-7 transition-all duration-300 hover:-translate-y-1 hover:shadow-card-hover;
                border-top: 4px solid transparent;
            }
            .service-card:hover {
                border-top-color: #F26B2C;
            }
            .service-icon {
                @apply w-12 h-12 rounded-xl bg-brand-light text-brand flex items-center justify-center mb-5;
            }
            .service-card h3 {
                @apply text-lg text-ink;
            }
            .service-card p {
                @apply text-sm text-ink-soft mt-2 leading-relaxed;
            }
            .service-link {
                @apply inline-flex items-center gap-1 text-brand font-semibold text-sm mt-4 hover:text-accent transition-colors;
            }
            .news-list {
                @apply space-y-4;
            }
            .news-list-item {
                @apply flex gap-4 md:gap-5 bg-white rounded-2xl p-4 shadow-card border border-line/60 hover:shadow-card-hover transition-all duration-200 hover:-translate-y-0.5;
            }
            .news-thumb {
                @apply shrink-0 w-24 h-[72px] md:w-40 md:h-28 overflow-hidden rounded-xl bg-slate-100;
            }
            .news-thumb img {
                @apply w-full h-full object-cover;
            }
            .news-info {
                @apply flex-1 min-w-0;
            }
            .news-meta-top {
                @apply flex items-center gap-3 mb-2 flex-wrap;
            }
            .badge {
                @apply inline-block px-2.5 py-1 text-xs font-semibold rounded-full bg-brand-light text-brand;
            }
            .news-date {
                @apply text-xs text-ink-soft;
            }
            .news-title {
                @apply text-base md:text-lg text-ink font-semibold leading-snug;
            }
            .news-title a:hover {
                @apply text-brand;
            }
            .news-summary {
                @apply text-sm text-ink-soft mt-1.5;
            }
            .line-clamp-2 {
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }
            .news-more {
                @apply inline-flex items-center text-sm text-brand font-semibold mt-2 hover:text-accent;
            }
            .sidebar-card {
                @apply bg-white rounded-2xl shadow-card border border-line/60 p-6 mb-6;
            }
            .sidebar-card h3 {
                @apply text-base text-ink mb-4 pb-3 border-b border-line;
            }
            .sidebar-card ul li {
                @apply mb-2.5;
            }
            .sidebar-card ul a {
                @apply text-sm text-ink-soft hover:text-brand hover:underline;
            }
            .sidebar-card p {
                @apply text-sm text-ink-soft leading-relaxed;
            }
            .empty-state {
                @apply flex flex-col items-center justify-center bg-white rounded-2xl border-2 border-dashed border-line py-16 text-center;
            }
            .empty-state p {
                @apply text-ink-soft mt-3 text-sm;
            }
            .testimonial-slider {
                @apply relative text-center;
            }
            .testimonial-slide {
                @apply hidden;
            }
            .testimonial-slide.active {
                @apply block;
            }
            .stars {
                @apply text-accent text-2xl mb-4 tracking-widest;
            }
            .testimonial-slide blockquote {
                @apply text-lg md:text-xl text-ink font-medium leading-relaxed max-w-2xl mx-auto;
            }
            .user-tag {
                @apply mt-5 inline-block px-4 py-1.5 rounded-full bg-brand-light text-brand text-sm font-semibold;
            }
            .slider-btn {
                @apply absolute top-1/2 -translate-y-1/2 w-10 h-10 rounded-full bg-white shadow-card border border-line text-ink hover:text-brand hover:bg-brand-light flex items-center justify-center transition-all duration-200 z-10;
            }
            .slider-btn.prev {
                @apply left-0 md:-left-4;
            }
            .slider-btn.next {
                @apply right-0 md:-right-4;
            }
            .dots {
                @apply flex justify-center gap-2 mt-6;
            }
            .dot {
                @apply w-2.5 h-2.5 rounded-full bg-line transition-colors;
            }
            .dot.active {
                @apply bg-accent w-6;
            }
            .guarantee {
                @apply border-y border-line bg-white;
            }
            .guarantee-list {
                @apply grid grid-cols-2 md:grid-cols-4;
            }
            .guarantee-list li {
                @apply flex flex-col items-center justify-center gap-2 py-8 px-4 border-line;
            }
            .guarantee-list li+li {
                @apply border-l;
            }
            .guarantee-list li:nth-child(3) {
                @apply border-l;
            }
            .guarantee-list span {
                @apply text-sm font-semibold text-ink mt-1;
            }
            .faq-item {
                @apply border-b border-line;
            }
            .faq-question {
                @apply w-full flex items-center justify-between py-4 px-2 text-left text-base font-medium text-ink hover:text-brand transition-colors bg-transparent;
            }
            .faq-question .faq-icon {
                @apply text-ink-soft transition-transform duration-300 ml-4 shrink-0;
            }
            .faq-item.open .faq-icon {
                transform: rotate(45deg);
                @apply text-accent;
            }
            .faq-answer {
                @apply overflow-hidden max-h-0 transition-all duration-300;
            }
            .faq-answer p {
                @apply px-2 pb-5 text-sm text-ink-soft leading-relaxed;
            }
            .faq-item.open .faq-question {
                @apply text-brand font-semibold;
            }
            .faq-item.open .faq-answer {
                max-height: 300px;
            }
            .cta-section {
                @apply bg-brand relative overflow-hidden;
            }
            .cta-section::before {
                content: '';
                @apply absolute top-0 right-0 w-1/2 h-full bg-accent/10;
                clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 100%);
            }
            .cta-inner {
                @apply relative flex flex-col md:flex-row md:items-center md:justify-between gap-6 py-16 md:py-20;
            }
            .cta-inner h2 {
                @apply text-2xl md:text-3xl text-white;
            }
            .cta-inner p {
                @apply text-white/80 mt-3 text-sm md:text-base;
            }
            .btn-cta-large {
                @apply inline-flex items-center justify-center bg-accent px-10 py-4 rounded-lg text-lg font-semibold text-white transition-all duration-200 whitespace-nowrap;
                min-height: 52px;
            }
            .btn-cta-large:hover {
                @apply bg-accent-hover;
                transform: translateY(-2px);
                box-shadow: 0 18px 40px rgba(242, 107, 44, 0.35);
            }
            .site-footer {
                @apply bg-brand text-white/70;
            }
            .footer-brand {
                @apply text-lg font-bold text-white;
            }
            .site-footer h4 {
                @apply text-sm font-semibold text-white mb-4;
            }
            .site-footer ul li {
                @apply mb-2.5;
            }
            .site-footer ul a {
                @apply text-sm text-white/70 hover:text-accent transition-colors;
            }
            .footer-bottom {
                @apply border-t border-white/15 mt-12 pt-8 text-center text-sm text-white/50;
            }
            .footer-desc {
                @apply text-sm text-white/60 mt-3 leading-relaxed;
            }
            .btn-outline {
                @apply inline-flex items-center justify-center border border-brand text-brand font-semibold px-6 py-2.5 rounded-lg text-sm bg-transparent transition-all duration-200 hover:bg-brand hover:text-white whitespace-nowrap;
                min-height: 42px;
            }
            .btn-outline:hover {
                @apply bg-brand text-white;
            }
        }

/* roulang page: category1 */
@layer base {
            body {
                font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
                background-color: #F4F7FB;
                color: #162A3A;
                line-height: 1.7;
            }
            a {
                transition: color .2s ease;
            }
            img {
                display: block;
                max-width: 100%;
            }
            h1,
            h2,
            h3,
            h4,
            h5 {
                color: #162A3A;
                line-height: 1.25;
            }
        }
        @layer components {
            .btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                font-weight: 600;
                border-radius: 0.5rem;
                height: 48px;
                padding: 0 1.5rem;
                font-size: 0.9375rem;
                cursor: pointer;
                transition: all .2s ease;
                white-space: nowrap;
            }
            .btn:focus-visible {
                outline: 2px solid #F26B2C;
                outline-offset: 2px;
            }
            .btn-primary {
                background: #0B3B5B;
                color: #fff;
            }
            .btn-primary:hover {
                background: #092e47;
                transform: translateY(-1px);
                box-shadow: 0 8px 24px rgba(11, 59, 91, .25);
            }
            .btn-accent {
                background: #F26B2C;
                color: #fff;
            }
            .btn-accent:hover {
                background: #d85a1e;
                transform: translateY(-1px);
                box-shadow: 0 8px 24px rgba(242, 107, 44, .3);
            }
            .btn-outline {
                border: 1.5px solid #0B3B5B;
                color: #0B3B5B;
                background: transparent;
            }
            .btn-outline:hover {
                background: #0B3B5B;
                color: #fff;
            }
            .nav-link {
                position: relative;
                display: inline-flex;
                align-items: center;
                height: 40px;
                padding: 0 1rem;
                border-radius: 0.5rem;
                font-size: 0.9375rem;
                font-weight: 500;
                color: #162A3A;
                transition: all .2s ease;
            }
            .nav-link:hover {
                background: #E8F0F6;
                color: #0B3B5B;
            }
            .nav-link.active {
                background: #E8F0F6;
                color: #0B3B5B;
                font-weight: 600;
            }
            .nav-link.active::after {
                content: '';
                position: absolute;
                left: 1rem;
                right: 1rem;
                bottom: 4px;
                height: 2px;
                background: #F26B2C;
                border-radius: 2px;
            }
            .container-page {
                max-width: 1280px;
                margin: 0 auto;
                padding-left: 1rem;
                padding-right: 1rem;
            }
            @media (min-width:768px) {
                .container-page {
                    padding-left: 1.5rem;
                    padding-right: 1.5rem;
                }
            }
            @media (min-width:1024px) {
                .container-page {
                    padding-left: 2rem;
                    padding-right: 2rem;
                }
            }
        }

:root {
            --primary: #0B3B5B;
            --primary-light: #E8F0F6;
            --accent: #F26B2C;
            --accent-hover: #D85A1E;
            --bg: #F4F7FB;
            --card: #FFFFFF;
            --text: #162A3A;
            --text-secondary: #5B7083;
            --text-muted: #94A6B5;
            --border: #E2EAF1;
            --success: #0F9D76;
            --warning: #D97706;
            --radius-lg: 1rem;
            --radius-md: 0.5rem;
            --shadow-card: 0 12px 32px rgba(15, 42, 61, 0.07);
            --shadow-hover: 0 18px 40px rgba(15, 42, 61, 0.12);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 42, 61, 0.04);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 42, 61, 0.08);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-right: 8px;
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
            white-space: normal;
        }
        .brand-badge {
            display: inline-flex;
            align-items: center;
            padding: 2px 8px;
            border-radius: 999px;
            background: var(--primary-light);
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(11, 59, 91, .1);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 104px;
            height: 44px;
            padding: 0 1.25rem;
            border-radius: 0.5rem;
            background: var(--accent);
            color: #fff;
            font-size: 0.9375rem;
            font-weight: 600;
            transition: all .2s ease;
            margin-left: 12px;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(242, 107, 44, .3);
        }
        .nav-cta:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Menu toggle */
        .menu-toggle {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            border-radius: 0.5rem;
            border: 1px solid var(--border);
            background: #fff;
            gap: 5px;
            transition: all .2s;
        }
        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: all .3s ease;
        }
        .menu-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .menu-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 16px 24px;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            width: 100%;
            height: 48px;
            justify-content: flex-start;
            padding: 0 16px;
        }
        .mobile-menu .nav-cta {
            margin-left: 0;
            margin-top: 12px;
            width: 100%;
            height: 50px;
        }
        .mobile-menu .btn-link-home {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            margin-top: 8px;
            border-radius: 0.5rem;
            border: 1.5px solid var(--border);
            color: var(--text-secondary);
            font-size: 0.9375rem;
            font-weight: 500;
            transition: all .2s;
        }
        .mobile-menu .btn-link-home:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 80px 0 72px;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 59, 91, .88) 0%, rgba(11, 59, 91, .72) 100%);
            z-index: 1;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 760px;
        }
        .page-hero-content h1 {
            color: #fff;
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .page-hero-content p {
            font-size: 1.0625rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin-bottom: 20px;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, .7);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .7);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            margin: 0 2px;
            color: rgba(255, 255, 255, .5);
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        /* Feature rows */
        .feature-row {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr;
        }
        .feature-row .feature-image {
            min-height: 260px;
            background: #eef2f6;
            position: relative;
            overflow: hidden;
        }
        .feature-row .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .feature-row .feature-content {
            padding: 40px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-row .feature-content .tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .feature-row .feature-content h2 {
            font-size: 1.625rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
            line-height: 1.3;
        }
        .feature-row .feature-content p {
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            font-size: 0.9375rem;
        }
        .feature-row .feature-content .feature-list {
            display: grid;
            gap: 8px;
            margin-bottom: 20px;
        }
        .feature-row .feature-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9063rem;
            color: var(--text-secondary);
            list-style: none;
        }
        .feature-row .feature-content .feature-list li::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-top: 8px;
            flex-shrink: 0;
        }
        @media (min-width:1024px) {
            .feature-row {
                grid-template-columns: 1fr 1fr;
            }
            .feature-row.reverse .feature-image {
                order: 2;
            }
            .feature-row.reverse .feature-content {
                order: 1;
            }
        }

        /* Stats */
        .stats-section {
            background: var(--primary);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 0%, rgba(242, 107, 44, .12) 0%, transparent 50%);
        }
        .stats-section .section-head {
            text-align: center;
            margin-bottom: 48px;
            position: relative;
            z-index: 1;
        }
        .stats-section .section-head h2 {
            color: #fff;
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
        }
        .stats-section .section-head p {
            color: rgba(255, 255, 255, .65);
            margin-top: 10px;
            font-size: 0.9375rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 880px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 36px 24px;
            text-align: center;
            backdrop-filter: blur(4px);
            transition: all .3s ease;
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-number em {
            font-style: normal;
            color: var(--accent);
        }
        .stat-label {
            color: rgba(255, 255, 255, .7);
            font-size: 0.875rem;
            margin-top: 8px;
            font-weight: 500;
        }

        /* Quote */
        .quote-block {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .quote-inner {
            border-left: 4px solid var(--accent);
            background: var(--primary-light);
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            padding: 36px 40px;
        }
        .quote-inner blockquote {
            font-size: 1.25rem;
            line-height: 1.8;
            color: var(--primary);
            font-weight: 500;
            letter-spacing: 0.01em;
        }
        .quote-inner .quote-author {
            margin-top: 12px;
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        /* FAQ */
        .faq-section {
            background: #fff;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 56px;
            padding: 12px 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: all .2s;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            color: var(--primary);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-item.active .faq-question {
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-answer p {
            padding: 0 16px 24px;
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.75;
        }

        /* CTA */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            right: -80px;
            top: -80px;
            width: 280px;
            height: 280px;
            background: rgba(242, 107, 44, .25);
            border-radius: 50%;
            filter: blur(60px);
        }
        .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            color: #fff;
            font-size: clamp(1.625rem, 3vw, 2.25rem);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, .7);
            margin-bottom: 32px;
            max-width: 460px;
            margin-left: auto;
            margin-right: auto;
            font-size: 1rem;
        }

        /* Footer */
        .site-footer {
            background: #0a1f2f;
            color: rgba(255, 255, 255, .75);
        }
        .site-footer .footer-brand {
            font-size: 1.125rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .site-footer .footer-desc {
            font-size: 0.875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            max-width: 260px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }
        .site-footer ul li {
            font-size: 0.875rem;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, .65);
            transition: color .2s;
        }
        .site-footer ul a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 48px;
            padding-top: 24px;
            text-align: center;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, .4);
        }

        /* Responsive adjustments */
        @media (max-width:1023px) {
            .page-hero {
                padding: 56px 0 48px;
            }
            .feature-row .feature-content {
                padding: 28px 20px;
            }
            .stats-grid {
                gap: 16px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width:640px) {
            .page-hero-content h1 {
                font-size: 1.625rem;
            }
            .page-hero-content p {
                font-size: 0.9375rem;
            }
            .quote-inner {
                padding: 24px 20px;
            }
            .quote-inner blockquote {
                font-size: 1.0625rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section {
                padding: 56px 0;
            }
        }

        /* Decorative helpers */
        .section-padding {
            padding-top: 72px;
            padding-bottom: 72px;
        }
        @media (max-width:768px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }
        .divider-line {
            border: none;
            border-top: 1px solid var(--border);
            margin: 0;
        }

/* roulang page: article */
:root {
    --primary: #0B3B5B;
    --primary-dark: #072A42;
    --primary-light: #E8F0F6;
    --accent: #F26B2C;
    --accent-dark: #D85A1E;
    --bg-page: #F4F7FB;
    --text-ink: #162A3A;
    --text-soft: #5B7083;
    --text-mute: #94A6B5;
    --border-line: #E2EAF1;
    --success: #0F9D76;
    --warning: #D97706;
    --shadow-card: 0 12px 32px rgba(15, 42, 61, 0.07);
    --shadow-card-hover: 0 18px 40px rgba(15, 42, 61, 0.12);
    --radius-card: 1rem;
    --radius-btn: 0.5rem;
    --container: 80rem;
  }
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg-page);
    color: var(--text-ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: color .2s ease; }
  button { font-family: inherit; cursor: pointer; }
  input, select, textarea { font-family: inherit; font-size: 1rem; }

  /* ===== 容器 ===== */
  .container-page {
    width: 100%;
    max-width: var(--container);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
  }
  @media (min-width: 768px) { .container-page { padding-left: 1.5rem; padding-right: 1.5rem; } }
  @media (min-width: 1024px) { .container-page { padding-left: 2rem; padding-right: 2rem; } }

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius-btn);
    padding: 0.625rem 1.5rem;
    font-size: 0.9375rem;
    transition: all .2s ease;
    min-height: 44px;
    border: none;
    line-height: 1.2;
  }
  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(11,59,91,0.20);
  }
  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(11,59,91,0.28);
  }
  .btn-accent {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(242,107,44,0.25);
  }
  .btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(242,107,44,0.32);
  }
  .btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
  }
  .btn-outline:hover {
    background: var(--primary);
    color: #fff;
  }
  .btn:focus-visible,
  .nav-link:focus-visible,
  .menu-toggle:focus-visible,
  .tag:focus-visible,
  .pager-link:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(242,107,44,0.55);
  }

  /* ===== Header 导航 ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-line);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
  .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 10px rgba(11,59,91,0.25);
  }
  .brand-text {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    white-space: nowrap;
    color: var(--text-ink);
  }
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 2px;
  }
  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-soft);
    transition: all .2s ease;
    min-height: 40px;
    position: relative;
  }
  .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
  }
  .nav-link.active {
    color: var(--primary);
    background: var(--primary-light);
    font-weight: 600;
  }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 3px;
    border-radius: 2px;
    background: var(--accent);
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .btn-login {
    min-width: 104px;
    height: 44px;
    padding: 0 1.25rem;
  }
  .menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: transparent;
    border: none;
    border-radius: 8px;
  }
  .menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-ink);
    border-radius: 2px;
    transition: all .3s ease;
  }
  .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); }
  .mobile-menu {
    display: none;
    background: #fff;
    border-top: 1px solid var(--border-line);
    padding: 1rem 1rem 1.5rem;
    box-shadow: 0 12px 32px rgba(15,42,61,0.10);
  }
  .mobile-menu.open { display: block; }
  .mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .mobile-menu .nav-link {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 1rem;
  }
  .mobile-menu .mobile-login-btn {
    margin-top: 12px;
    width: 100%;
  }

  /* ===== 面包屑 ===== */
  .breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-mute);
    padding-top: 2rem;
  }
  .breadcrumb a {
    color: var(--text-soft);
    transition: color .2s;
  }
  .breadcrumb a:hover { color: var(--primary); }
  .breadcrumb .sep { color: var(--text-mute); }
  .breadcrumb .current {
    color: var(--text-ink);
    font-weight: 500;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* ===== 文章标题区 ===== */
  .article-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin: 1.25rem 0 1rem;
    color: var(--text-ink);
    letter-spacing: -0.01em;
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-soft);
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-line);
  }
  .meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
  }
  .meta-item svg {
    width: 16px;
    height: 16px;
    color: var(--text-mute);
  }

  /* ===== 头图 ===== */
  .article-cover {
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin: 1.75rem 0 2rem;
    background: #E8EDF2;
    aspect-ratio: 16 / 9;
  }
  .article-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* ===== 正文排版 ===== */
  .article-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-ink);
  }
  .article-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    color: var(--primary);
    letter-spacing: -0.01em;
  }
  .article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
    color: var(--primary);
  }
  .article-content h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    margin: 1.25rem 0 0.5rem;
    color: var(--text-ink);
  }
  .article-content p {
    margin-bottom: 1em;
  }
  .article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
  }
  .article-content a:hover {
    color: var(--accent);
  }
  .article-content img {
    border-radius: 0.75rem;
    margin: 1.5rem 0;
  }
  .article-content blockquote {
    border-left: 4px solid var(--accent);
    padding: 0.75rem 1.25rem;
    background: #FFF7F3;
    border-radius: 0 0.5rem 0.5rem 0;
    margin: 1.5rem 0;
    color: var(--text-soft);
  }
  .article-content ul,
  .article-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1em;
  }
  .article-content ul { list-style: disc; }
  .article-content ol { list-style: decimal; }
  .article-content li { margin-bottom: 0.375rem; }
  .article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9375rem;
  }
  .article-content th,
  .article-content td {
    border: 1px solid var(--border-line);
    padding: 0.75rem 1rem;
    text-align: left;
  }
  .article-content th {
    background: #F0F4F8;
    font-weight: 600;
    color: var(--primary);
  }
  .article-content pre {
    background: #F4F7FB;
    border: 1px solid var(--border-line);
    border-radius: 0.5rem;
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.6;
  }
  .article-content code {
    background: #EEF3F7;
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.875em;
    color: #D85A1E;
  }
  .article-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
  }
  .article-content hr {
    border: none;
    border-top: 1px solid var(--border-line);
    margin: 2rem 0;
  }

  /* ===== 标签区 ===== */
  .article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-line);
    font-size: 0.875rem;
  }
  .tag-label {
    color: var(--text-mute);
    margin-right: 0.25rem;
  }
  .tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 14px;
    border-radius: 999px;
    background: #EDF3F8;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.8125rem;
    border: 1px solid transparent;
    transition: all .2s ease;
  }
  .tag:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
  }

  /* ===== 分页 ===== */
  .post-pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-line);
  }
  .pager-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: #fff;
    border: 1px solid var(--border-line);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary);
    transition: all .2s ease;
  }
  .pager-link:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
  }

  /* ===== 相关推荐 ===== */
  .related-section {
    margin-top: 3.5rem;
  }
  .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
  }
  .section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-ink);
    margin: 0;
  }
  .more-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color .2s;
  }
  .more-link:hover { color: var(--accent-dark); }
  .related-card {
    display: flex;
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-line);
    transition: all .25s ease;
  }
  .related-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
  }
  .related-thumb {
    width: 120px;
    flex-shrink: 0;
    background: #E8EDF2;
    position: relative;
  }
  .related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .related-body {
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    min-width: 0;
  }
  .related-body h3 {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-ink);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
  }
  .related-body h3:hover { color: var(--primary); }
  .related-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-mute);
  }
  .related-cat {
    display: inline-flex;
    padding: 2px 10px;
    border-radius: 999px;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
  }

  /* ===== CTA ===== */
  .article-cta {
    margin-top: 3.5rem;
    padding-bottom: 4rem;
  }
  .cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: var(--primary);
    color: #fff;
    border-radius: 1.25rem;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
  }
  .cta-card::after {
    content: '';
    position: absolute;
    right: -60px;
    top: -60px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(242,107,44,0.25);
  }
  .cta-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: #fff;
  }
  .cta-card p {
    color: #C7D6E3;
    margin: 0;
    font-size: 0.9375rem;
  }
  .cta-card .btn-accent {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
  }

  /* ===== 未找到 ===== */
  .not-found-section {
    padding: 5rem 1rem;
    min-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .not-found-card {
    background: #fff;
    border: 1px dashed var(--border-line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 3.5rem 2rem;
    text-align: center;
    max-width: 480px;
    width: 100%;
  }
  .not-found-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .not-found-card h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
    color: var(--text-ink);
  }
  .not-found-card p {
    color: var(--text-soft);
    margin-bottom: 1.5rem;
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--primary-dark);
    color: #C7D6E3;
  }
  .site-footer h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 1rem;
  }
  .site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  .site-footer ul li {
    font-size: 0.9rem;
    color: #9FB5C7;
  }
  .site-footer a {
    color: #B0C4D4;
    font-size: 0.9rem;
    transition: color .2s;
  }
  .site-footer a:hover { color: #fff; }
  .footer-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 0.75rem;
  }
  .footer-desc {
    font-size: 0.9rem;
    color: #9FB5C7;
    line-height: 1.7;
    margin: 0;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.12);
    margin-top: 3rem;
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: #8FA6B8;
  }
  .footer-bottom p { margin: 0; }

  /* ===== 响应式 ===== */
  @media (min-width: 1025px) {
    .mobile-menu { display: none !important; }
  }
  @media (max-width: 1024px) {
    .desktop-nav { display: none; }
    .menu-toggle { display: flex; }
    .header-login { display: none; }
    .mobile-login-btn { display: inline-flex; }
  }
  @media (min-width: 1025px) {
    .mobile-login-btn { display: none; }
  }
  @media (max-width: 767px) {
    .cta-card {
      flex-direction: column;
      text-align: center;
      padding: 2rem 1.5rem;
    }
    .cta-card .btn-accent { width: 100%; }
    .related-thumb { width: 96px; }
    .related-body h3 { font-size: 0.875rem; }
    .post-pager { flex-direction: column; }
    .pager-link { justify-content: center; }
  }
  @media (max-width: 639px) {
    .related-card { flex-direction: column; }
    .related-thumb { width: 100%; aspect-ratio: 16 / 9; }
    .article-cover { aspect-ratio: 4 / 3; }
    .brand-text { font-size: 1rem; }
    .article-meta { gap: 0.75rem; }
  }

/* roulang page: category2 */
:root {
  --primary: #0B3B5B;
  --primary-dark: #082D47;
  --primary-light: #E8F0F6;
  --secondary: #F26B2C;
  --secondary-dark: #D85A1E;
  --surface: #F4F7FB;
  --white: #FFFFFF;
  --text-main: #162A3A;
  --text-muted: #5B7083;
  --text-faint: #94A6B5;
  --border: #E2EAF1;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 12px 32px rgba(15, 42, 61, 0.07);
  --shadow-hover: 0 18px 40px rgba(15, 42, 61, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: #F4F7FB;
  color: #162A3A;
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
}

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

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

button,
input {
  font-family: inherit;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #F26B2C;
  outline-offset: 2px;
}

.container-page {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container-page {
    padding: 0 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container-page {
    padding: 0 2rem;
  }
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #E2EAF1;
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #0B3B5B;
  line-height: 1.25;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
}

.brand-logo span {
  color: #F26B2C;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.375rem 1rem;
  border-radius: 999px;
  font-size: 0.938rem;
  font-weight: 500;
  color: #162A3A;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background: #E8F0F6;
  color: #0B3B5B;
}

.nav-link.active {
  background: #E8F0F6;
  color: #0B3B5B;
  font-weight: 600;
  box-shadow: inset 0 -2px 0 #F26B2C;
}

.btn-primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  height: 44px;
  padding: 0 1.25rem;
  background: #F26B2C;
  color: #ffffff;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.btn-primary-cta:hover {
  background: #D85A1E;
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(242, 107, 44, 0.28);
}

.header-mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  color: #0B3B5B;
  border: 1px solid #E2EAF1;
  background: #ffffff;
}

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

.mobile-menu {
  display: none;
  background: #ffffff;
  border-bottom: 1px solid #E2EAF1;
  padding: 1rem 1.25rem;
}

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

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

.mobile-nav-link {
  display: block;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 500;
  color: #162A3A;
  border-radius: 10px;
}

.mobile-nav-link.active {
  background: #E8F0F6;
  color: #0B3B5B;
  font-weight: 600;
}

.mobile-menu .btn-primary-cta {
  width: 100%;
  margin-top: 0.75rem;
  height: 48px;
}

/* ===== Banner ===== */
.guide-banner {
  position: relative;
  background: linear-gradient(180deg, rgba(9, 40, 61, 0.94), rgba(8, 45, 71, 0.88)), url('/assets/images/backpic/back-3.webp') center / cover;
  color: #ffffff;
  border-bottom: 4px solid #F26B2C;
}

.guide-banner .container-page {
  position: relative;
  z-index: 2;
  padding-top: 4rem;
  padding-bottom: 4rem;
}

@media (min-width: 768px) {
  .guide-banner .container-page {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.banner-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.banner-breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s ease;
}

.banner-breadcrumb a:hover {
  color: #F26B2C;
}

.banner-tag {
  display: inline-block;
  padding: 0.25rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.guide-banner h1 {
  font-size: clamp(1.875rem, 4.2vw, 2.75rem);
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.guide-banner-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.82);
  max-width: 680px;
  margin: 0;
}

/* ===== Main Grid ===== */
.guide-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (max-width: 1023.98px) {
  .guide-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ===== TOC ===== */
.guide-toc {
  position: sticky;
  top: 100px;
  background: #ffffff;
  border: 1px solid #E2EAF1;
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 12px 32px rgba(15, 42, 61, 0.07);
}

@media (max-width: 1023.98px) {
  .guide-toc {
    position: static;
    box-shadow: none;
  }
}

.toc-label {
  font-size: 0.85rem;
  color: #5B7083;
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.toc-list {
  list-style: none;
  margin: 0 0 1.5rem;
  display: grid;
  gap: 0.15rem;
}

.toc-list a {
  display: block;
  padding: 0.5rem 0.75rem 0.5rem 0.5rem;
  border-left: 3px solid transparent;
  color: #162A3A;
  font-size: 0.938rem;
  border-radius: 0 8px 8px 0;
  transition: all 0.2s ease;
}

.toc-list a:hover {
  background: #F4F7FB;
  border-color: #F26B2C;
  color: #0B3B5B;
}

.toc-card {
  background: #E8F0F6;
  border-radius: 12px;
  padding: 1.25rem;
}

.toc-card h3 {
  font-size: 1rem;
  color: #0B3B5B;
  margin: 0 0 0.5rem;
}

.toc-card p {
  font-size: 0.875rem;
  color: #5B7083;
  margin: 0 0 1rem;
  line-height: 1.7;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 1.25rem;
  background: #ffffff;
  color: #0B3B5B;
  border: 1.5px solid #0B3B5B;
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: #0B3B5B;
  color: #ffffff;
}

.toc-card .btn-secondary {
  width: 100%;
}

/* ===== Guide Sections ===== */
.guide-content {
  min-width: 0;
}

.guide-section {
  background: #ffffff;
  border: 1px solid #E2EAF1;
  border-radius: 18px;
  padding: 1.75rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 12px 32px rgba(15, 42, 61, 0.07);
}

@media (min-width: 768px) {
  .guide-section {
    padding: 2rem;
  }
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 26px;
  padding: 0 0.6rem;
  background: #E8F0F6;
  color: #0B3B5B;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 1rem;
  border: 1px solid rgba(11, 59, 91, 0.08);
}

.guide-section h2 {
  font-size: 1.5rem;
  color: #0B3B5B;
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.3;
}

.guide-section p {
  color: #162A3A;
  font-size: 0.95rem;
  margin: 0 0 1rem;
  line-height: 1.8;
}

.guide-list {
  list-style: none;
  margin: 0 0 0.5rem;
  display: grid;
  gap: 0.65rem;
}

.guide-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.938rem;
  color: #162A3A;
  line-height: 1.7;
}

.guide-list li::before {
  content: "";
  position: absolute;
  left: 0.25rem;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #F26B2C;
}

.tip-panel {
  display: flex;
  gap: 0.875rem;
  align-items: flex-start;
  background: #F4F7FB;
  border-left: 4px solid #F26B2C;
  border-radius: 0 12px 12px 0;
  padding: 1.1rem 1.25rem;
  margin-top: 1.25rem;
}

.tip-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F26B2C;
  color: #ffffff;
  font-weight: 800;
  border-radius: 8px;
  font-size: 0.9rem;
}

.tip-content {
  flex: 1;
}

.tip-content strong {
  display: block;
  font-size: 0.9rem;
  color: #0B3B5B;
  margin-bottom: 0.25rem;
}

.tip-content p {
  font-size: 0.875rem;
  color: #5B7083;
  margin: 0;
  line-height: 1.7;
}

.guide-figure {
  margin: 1.5rem 0 0;
}

.guide-figure img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
  background: #E8F0F6;
}

.guide-figure figcaption {
  font-size: 0.85rem;
  color: #94A6B5;
  text-align: center;
  margin-top: 0.75rem;
}

/* ===== CTA ===== */
.cta-panel-wrap {
  padding: 3rem 0 5rem;
}

.cta-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background: linear-gradient(135deg, #0B3B5B, #082D47);
  border-radius: 24px;
  padding: 2.25rem 2.5rem;
  color: #ffffff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(11, 59, 91, 0.22);
}

.cta-panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: #F26B2C;
}

.cta-panel h2 {
  font-size: 1.65rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}

.cta-panel p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.938rem;
  margin: 0;
  max-width: 560px;
  line-height: 1.8;
}

.btn-primary-lg {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  height: 50px;
  background: #F26B2C;
  color: #ffffff;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  padding: 0 1.75rem;
  transition: all 0.2s ease;
}

.btn-primary-lg:hover {
  background: #D85A1E;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(242, 107, 44, 0.35);
}

/* ===== Footer ===== */
.site-footer {
  background: #0B3B5B;
  color: rgba(255, 255, 255, 0.75);
}

.site-footer h3 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.site-footer h3.footer-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
}

.site-footer .footer-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.8;
  max-width: 300px;
  margin-bottom: 0;
}

.site-footer h4 {
  font-size: 1rem;
  color: #ffffff;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.site-footer ul {
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.site-footer ul li {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
}

.site-footer ul a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

.site-footer ul a:hover {
  color: #F26B2C;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  margin-top: 3rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

@media (max-width: 520px) {
  .cta-panel {
    padding: 1.75rem 1.5rem;
  }

  .cta-panel h2 {
    font-size: 1.35rem;
  }

  .btn-primary-lg {
    width: 100%;
  }

  .guide-section {
    padding: 1.25rem;
  }

  .guide-section h2 {
    font-size: 1.25rem;
  }

  .brand-logo {
    font-size: 1.15rem;
  }
}

/* roulang page: category3 */
:root {
            --brand: #0B3B5B;
            --brand-light: #E8F0F6;
            --accent: #F26B2C;
            --accent-dark: #D85A1E;
            --bg: #F4F7FB;
            --text: #162A3A;
            --text-muted: #5B7083;
            --border: #E2EAF1;
            --shadow-card: 0 12px 32px rgba(15, 42, 61, 0.07);
            --shadow-hover: 0 18px 40px rgba(15, 42, 61, 0.12);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.2s ease;
        }

        button {
            font-family: inherit;
        }

        .container-page {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--brand);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 6px 16px rgba(11, 59, 91, 0.2);
            flex-shrink: 0;
        }

        .brand-text {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-badge {
            background: var(--brand-light);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            white-space: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 8px 16px;
            border-radius: 10px;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            transition: all 0.22s ease;
        }

        .nav-link:hover {
            color: var(--brand);
            background: var(--brand-light);
        }

        .nav-link.active {
            color: var(--brand);
            background: var(--brand-light);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            min-width: 104px;
            padding: 0 24px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            transition: all 0.25s ease;
            box-shadow: 0 6px 18px rgba(242, 107, 44, 0.25);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(216, 90, 30, 0.3);
        }

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

        .menu-toggle {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 20px;
            background: var(--brand-light);
            border-radius: 10px;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
        }

        .menu-toggle:hover {
            background: #d8e6f0;
        }

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

        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
        }

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

        .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-radius: 10px;
            margin-bottom: 4px;
        }

        .mobile-nav-link:hover {
            background: var(--brand-light);
            color: var(--brand);
        }

        .mobile-nav-link.active {
            background: var(--brand-light);
            color: var(--brand);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .btn-login-mobile {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 52px;
            margin-top: 16px;
            background: var(--accent);
            color: #fff;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            box-shadow: 0 8px 20px rgba(242, 107, 44, 0.25);
        }

        .btn-login-mobile:hover {
            background: var(--accent-dark);
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            background-image: linear-gradient(to bottom, rgba(5, 28, 43, 0.72), rgba(4, 20, 32, 0.88)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 72px 0 84px;
            position: relative;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        /* ===== 区块标题 ===== */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--brand-light);
            color: var(--brand);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3.5vw, 2.25rem);
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 登录步骤时间线 ===== */
        .login-steps {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }

        .login-step {
            position: relative;
            padding-left: 76px;
            padding-bottom: 48px;
        }

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

        .login-step::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 52px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, #c9dce8, #e9eff5);
        }

        .login-step:last-child::before {
            display: none;
        }

        .step-marker {
            position: absolute;
            left: 0;
            top: 0;
            width: 48px;
            height: 48px;
            background: #fff;
            border: 2px solid var(--brand-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            font-size: 17px;
            box-shadow: 0 6px 16px rgba(11, 59, 91, 0.09);
            z-index: 1;
            transition: all 0.3s ease;
        }

        .login-step:hover .step-marker {
            background: var(--brand);
            color: #fff;
            border-color: var(--brand);
            box-shadow: 0 8px 20px rgba(11, 59, 91, 0.18);
            transform: scale(1.04);
        }

        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

        .step-content p {
            color: var(--text-muted);
            line-height: 1.75;
            font-size: 15px;
            max-width: 520px;
        }

        /* ===== 安全警示区 ===== */
        .alert-warning {
            background: #fff8eb;
            border: 1px solid #fde9c8;
            border-left: 5px solid #d97706;
            border-radius: 14px;
            padding: 28px;
            box-shadow: 0 4px 14px rgba(217, 119, 6, 0.06);
        }

        .alert-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(217, 119, 6, 0.12);
            color: #d97706;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-list {
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            position: relative;
            transition: all 0.2s ease;
        }

        .faq-item.open {
            background: rgba(232, 240, 246, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            min-height: 56px;
            padding: 18px 20px 18px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 16px;
            transition: color 0.2s;
        }

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

        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: 8px;
        }

        .faq-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-item.open .faq-question {
            color: var(--brand);
            box-shadow: inset 3px 0 0 var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.32s ease;
        }

        .faq-answer p {
            padding: 0 8px 22px 22px;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 15px;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background-color: #072A3D;
            background-image: linear-gradient(135deg, rgba(242, 107, 44, 0.18) 0%, rgba(242, 107, 44, 0) 48%), linear-gradient(to bottom, #0B3B5B, #041B29);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 54px;
            min-width: 160px;
            padding: 0 40px;
            background: var(--accent);
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            border-radius: 12px;
            box-shadow: 0 12px 30px rgba(242, 107, 44, 0.35);
            transition: all 0.3s ease;
        }

        .btn-cta-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 16px 36px rgba(216, 90, 30, 0.4);
        }

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

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 54px;
            min-width: 140px;
            padding: 0 32px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: rgba(255, 255, 255, 0.88);
            font-size: 16px;
            font-weight: 600;
            border-radius: 12px;
            transition: all 0.25s ease;
        }

        .btn-cta-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.7);
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: #041b29;
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
        }

        .site-footer h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

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

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

        .site-footer ul a {
            color: rgba(255, 255, 255, 0.72);
            transition: color 0.2s, padding-left 0.2s;
        }

        .site-footer ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
            margin-top: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
            padding-top: 28px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        /* ===== 图片卡片通用 ===== */
        .img-card {
            border-radius: 16px;
            overflow: hidden;
            background: #e8eef3;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .desktop-nav {
                display: none !important;
            }

            .header-cta-desktop {
                display: none !important;
            }

            .brand-text {
                font-size: 16px;
            }

            .brand-badge {
                display: none;
            }
        }

        @media (min-width: 1024px) {
            .menu-toggle {
                display: none !important;
            }

            .mobile-menu {
                display: none !important;
            }
        }

        @media (max-width: 639px) {
            .page-banner {
                padding: 56px 0 64px;
            }

            .login-step {
                padding-left: 62px;
            }

            .login-step::before {
                left: 19px;
            }

            .step-marker {
                width: 40px;
                height: 40px;
                font-size: 14px;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .brand-text {
                font-size: 15px;
            }

            .cta-section {
                padding: 60px 0;
            }

            .btn-cta-primary,
            .btn-cta-ghost {
                width: 100%;
                max-width: 320px;
            }

            .alert-warning {
                padding: 20px;
            }
        }