/* roulang page: index */
:root {
        --h-primary: #6D5EF3;
        --h-primary-deep: #4F46E5;
        --h-secondary: #F59E0B;
        --h-gradient: linear-gradient(135deg, #6D5EF3 0%, #A78BFA 50%, #F59E0B 120%);
        --h-bg: #F8FAFC;
        --h-surface: #FFFFFF;
        --h-ink: #0F172A;
        --h-ink-2: #334155;
        --h-ink-3: #64748B;
        --h-line: #E2E8F0;
        --h-success: #10B981;
        --h-radius: 12px;
        --h-radius-lg: 20px;
        --h-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
        --h-shadow-lg: 0 12px 24px -8px rgba(79, 70, 229, 0.12);
        --h-transition: all 0.25s ease;
        --font-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
        --font-num: "Inter", "DIN Alternate", "Roboto", sans-serif;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-cn);
        background: var(--h-bg);
        color: var(--h-ink-2);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: var(--h-transition);
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input {
        border: 0;
        outline: 0;
        font-family: inherit;
    }
    :focus-visible {
        outline: 2px solid var(--h-primary-deep);
        outline-offset: 2px;
    }
    .container-lg {
        max-width: 1140px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /*=== 按钮 ===*/
    .h-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 8px;
        font-weight: 600;
        font-size: 15px;
        border: 1px solid transparent;
        cursor: pointer;
        transition: var(--h-transition);
        line-height: 1.4;
    }
    .h-btn-primary {
        background: var(--h-gradient);
        color: #fff;
        box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    }
    .h-btn-primary:hover {
        filter: brightness(1.05);
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
        color: #fff;
    }
    .h-btn-ghost {
        background: transparent;
        border: 1px solid var(--h-line);
        color: var(--h-ink);
    }
    .h-btn-ghost:hover {
        border-color: var(--h-primary);
        color: var(--h-primary);
        background: rgba(109, 94, 243, 0.04);
    }

    /*=== 导航 ===*/
    .h-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 72px;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: saturate(180%) blur(20px);
        -webkit-backdrop-filter: saturate(180%) blur(20px);
        border-bottom: 1px solid var(--h-line);
        z-index: 1040;
    }
    .h-nav-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .h-brand {
        font-size: 20px;
        font-weight: 800;
        letter-spacing: 0.02em;
        background: var(--h-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        white-space: nowrap;
    }
    .h-nav-links {
        display: flex;
        align-items: center;
        gap: 32px;
        list-style: none;
    }
    .h-nav-links a {
        font-size: 15px;
        color: #475569;
        letter-spacing: 0.02em;
        position: relative;
        padding: 6px 0;
    }
    .h-nav-links a:hover {
        color: var(--h-primary);
    }
    .h-nav-links a.active {
        color: var(--h-primary);
        font-weight: 600;
    }
    .h-nav-links a.active::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: -2px;
        width: 16px;
        height: 3px;
        border-radius: 99px;
        background: var(--h-gradient);
    }
    .h-nav-toggle {
        display: none;
        background: none;
        cursor: pointer;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 6px;
        position: relative;
        z-index: 1051;
    }
    .h-nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--h-ink);
        border-radius: 2px;
        transition: var(--h-transition);
    }
    .h-nav-toggle.open span:nth-child(1) {
        transform: translateY(4px) rotate(45deg);
    }
    .h-nav-toggle.open span:nth-child(2) {
        transform: translateY(-4px) rotate(-45deg);
    }
    .h-nav-icon {
        color: var(--h-ink-3);
        font-size: 18px;
        margin-left: 12px;
        cursor: pointer;
    }
    .h-nav-icon:hover {
        color: var(--h-primary);
    }

    /*=== Hero ===*/
    .h-hero {
        min-height: 100vh;
        display: flex;
        align-items: center;
        position: relative;
        padding: 120px 0 80px;
        background: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 40%, #FEF3C7 100%);
        overflow: hidden;
    }
    .h-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        opacity: 0.05;
        pointer-events: none;
    }
    .h-hero::after {
        content: 'h';
        position: absolute;
        right: 4%;
        bottom: 4%;
        font-size: 600px;
        font-weight: 900;
        line-height: 1;
        color: var(--h-primary);
        opacity: 0.08;
        pointer-events: none;
        font-family: var(--font-num);
    }
    .h-hero-inner {
        display: grid;
        grid-template-columns: 1.1fr 1fr;
        gap: 60px;
        align-items: center;
        position: relative;
        z-index: 1;
    }
    .h-hero h1 {
        font-size: clamp(2.25rem, 4vw, 3.75rem);
        font-weight: 700;
        line-height: 1.15;
        color: var(--h-ink);
        margin-bottom: 20px;
    }
    .h-hero-sub {
        font-size: clamp(1rem, 1.4vw, 1.25rem);
        font-weight: 400;
        color: #475569;
        margin-bottom: 36px;
        max-width: 480px;
    }
    .h-hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .h-hero-visual {
        position: relative;
        border-radius: 20px;
        overflow: visible;
    }
    .h-hero-visual img {
        width: 100%;
        border-radius: 20px;
        box-shadow: var(--h-shadow-lg);
        aspect-ratio: 16/10;
        object-fit: cover;
        position: relative;
        z-index: 1;
    }
    .h-hero-visual::after {
        content: '';
        position: absolute;
        inset: 0;
        border-radius: 20px;
        background: linear-gradient(135deg, rgba(109, 94, 243, 0.12), rgba(245, 158, 11, 0.06));
        z-index: 2;
        pointer-events: none;
    }
    .hero-badge {
        position: absolute;
        bottom: -18px;
        right: 24px;
        background: #fff;
        border-radius: 16px;
        padding: 14px 20px;
        box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.2);
        display: flex;
        align-items: center;
        gap: 12px;
        z-index: 3;
        min-width: 140px;
    }
    .hero-badge-num {
        font-size: 26px;
        font-weight: 800;
        font-family: var(--font-num);
        background: var(--h-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .hero-badge-label {
        font-size: 12px;
        color: var(--h-ink-3);
        line-height: 1.4;
    }
    .scroll-indicator {
        position: absolute;
        bottom: 32px;
        left: 50%;
        transform: translateX(-50%);
        width: 24px;
        height: 44px;
        display: block;
        z-index: 5;
    }
    .scroll-indicator span {
        width: 1px;
        height: 100%;
        background: var(--h-line);
        position: relative;
        display: block;
    }
    .scroll-indicator span::after {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--h-primary);
        animation: scrollDot 2s infinite ease-in-out;
    }
    @keyframes scrollDot {
        0% { top: 0; opacity: 1; }
        100% { top: 32px; opacity: 0; }
    }

    /*=== 通用版块 ===*/
    .h-section {
        padding: 96px 0;
        scroll-margin-top: 80px;
    }
    .h-section-alt {
        background: var(--h-surface);
    }
    .h-section-head {
        max-width: 720px;
        margin-bottom: 56px;
    }
    .h-section-head.center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .h-section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 600;
        color: var(--h-primary-deep);
        background: rgba(109, 94, 243, 0.08);
        padding: 6px 16px;
        border-radius: 999px;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }
    .h-section-tag::before {
        content: '';
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--h-primary);
    }
    .h-section-head h2 {
        font-size: 2.25rem;
        font-weight: 700;
        color: var(--h-ink);
        line-height: 1.25;
        margin-bottom: 12px;
        letter-spacing: 0.01em;
    }
    .h-section-head h2 .grad {
        background: var(--h-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .h-section-head p {
        font-size: 1rem;
        color: var(--h-ink-3);
        line-height: 1.8;
    }

    /*=== 卖点区 ===*/
    .h-features .row {
        margin-bottom: -24px;
    }
    .h-feature-card {
        background: var(--h-surface);
        border: 1px solid var(--h-line);
        border-radius: var(--h-radius);
        padding: 32px 28px;
        height: 100%;
        position: relative;
        overflow: hidden;
        box-shadow: var(--h-shadow);
        transition: var(--h-transition);
    }
    .h-feature-card::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        width: 4px;
        height: 100%;
        background: var(--h-gradient);
        opacity: 0.85;
    }
    .h-feature-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--h-shadow-lg);
        border-color: #C7D2FE;
    }
    .h-feature-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: rgba(109, 94, 243, 0.1);
        color: var(--h-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 20px;
    }
    .h-feature-card h3 {
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--h-ink);
        margin-bottom: 10px;
    }
    .h-feature-card p {
        font-size: 0.875rem;
        color: var(--h-ink-3);
        line-height: 1.8;
        margin: 0;
    }
    .row-offset-2 {
        margin-top: 24px;
    }

    /*=== 展示区 ===*/
    .h-showcase {
        background: var(--h-bg);
    }
    .showcase-window {
        background: #fff;
        border-radius: 20px;
        box-shadow: var(--h-shadow-lg);
        border: 1px solid var(--h-line);
        overflow: hidden;
        position: relative;
    }
    .window-bar {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 14px 20px;
        background: #F8FAFC;
        border-bottom: 1px solid var(--h-line);
    }
    .window-bar span {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: #E2E8F0;
        display: block;
    }
    .window-bar span:nth-child(1) { background: #FDBA74; }
    .window-bar span:nth-child(2) { background: #FDE047; }
    .window-bar span:nth-child(3) { background: #86EFAC; }
    .window-url {
        margin-left: 16px;
        font-size: 12px;
        color: var(--h-ink-3);
        background: #fff;
        padding: 4px 16px;
        border-radius: 99px;
        border: 1px solid var(--h-line);
        flex: 1;
        max-width: 320px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-family: var(--font-num);
    }
    .window-body {
        position: relative;
        padding: 0;
        aspect-ratio: 16/8;
        overflow: hidden;
    }
    .window-body img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .window-body::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(109, 94, 243, 0.08), rgba(245, 158, 11, 0.03));
        pointer-events: none;
    }
    .window-panel {
        position: absolute;
        right: 24px;
        bottom: 24px;
        background: #fff;
        border-radius: 12px;
        padding: 16px 20px;
        box-shadow: 0 12px 24px -8px rgba(15, 23, 42, 0.15);
        display: flex;
        align-items: center;
        gap: 12px;
        z-index: 2;
        max-width: 260px;
    }
    .window-panel .panel-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--h-primary);
        flex-shrink: 0;
        box-shadow: 0 0 0 3px rgba(109, 94, 243, 0.2);
    }
    .window-panel p {
        font-size: 13px;
        color: var(--h-ink-2);
        margin: 0;
        line-height: 1.5;
    }

    /*=== 数据证据区 ===*/
    .h-proof {
        background: var(--h-surface);
    }
    .h-proof-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .h-proof-badge {
        background: var(--h-surface);
        border: 1px solid var(--h-line);
        border-radius: 16px;
        padding: 32px 20px;
        text-align: center;
        position: relative;
        overflow: hidden;
        transition: var(--h-transition);
    }
    .h-proof-badge::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--h-gradient);
    }
    .h-proof-badge:hover {
        transform: translateY(-3px);
        box-shadow: var(--h-shadow-lg);
    }
    .h-counter {
        font-family: var(--font-num);
        font-size: 2rem;
        font-weight: 800;
        background: var(--h-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        display: block;
        margin-bottom: 8px;
    }
    .h-proof-badge .label {
        font-size: 13px;
        color: var(--h-ink-3);
        letter-spacing: 0.02em;
    }
    .proof-more {
        margin-top: 40px;
        text-align: center;
    }
    .proof-more a {
        color: var(--h-primary);
        font-size: 15px;
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .proof-more a:hover {
        color: var(--h-primary-deep);
        gap: 10px;
    }

    /*=== 价格区 ===*/
    .h-pricing {
        background: var(--h-bg);
        position: relative;
    }
    .h-pricing-row {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        align-items: stretch;
    }
    .h-price-card {
        background: var(--h-surface);
        border: 1px solid var(--h-line);
        border-radius: 16px;
        padding: 36px 28px;
        position: relative;
        display: flex;
        flex-direction: column;
        transition: var(--h-transition);
        box-shadow: var(--h-shadow);
    }
    .h-price-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--h-shadow-lg);
        border-color: #C7D2FE;
    }
    .h-price-card.h-price-featured {
        transform: scale(1.05);
        border-top: 4px solid transparent;
        border-image: var(--h-gradient);
        border-image-slice: 1;
        box-shadow: var(--h-shadow-lg);
        z-index: 2;
    }
    .h-price-card.h-price-featured:hover {
        transform: scale(1.05) translateY(-4px);
    }
    .h-price-ribbon {
        position: absolute;
        top: -1px;
        right: 24px;
        background: var(--h-gradient);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 0 0 8px 8px;
        letter-spacing: 0.04em;
    }
    .h-price-name {
        font-size: 18px;
        font-weight: 700;
        color: var(--h-ink);
        margin-bottom: 6px;
    }
    .h-price-desc {
        font-size: 13px;
        color: var(--h-ink-3);
        line-height: 1.6;
        margin-bottom: 28px;
    }
    .h-price-value {
        font-size: 2.75rem;
        font-weight: 800;
        color: var(--h-primary);
        font-family: var(--font-num);
        line-height: 1.2;
        margin-bottom: 4px;
    }
    .h-price-value .currency {
        font-size: 1rem;
        color: var(--h-ink-3);
        font-weight: 400;
        vertical-align: top;
        margin-right: 4px;
    }
    .h-price-sub {
        font-size: 12px;
        color: var(--h-ink-3);
        margin-bottom: 28px;
    }
    .h-price-list {
        list-style: none;
        padding: 0;
        margin: 0 0 32px;
        flex: 1;
    }
    .h-price-list li {
        font-size: 14px;
        line-height: 1.8;
        color: var(--h-ink-2);
        display: flex;
        align-items: flex-start;
        gap: 8px;
    }
    .h-price-list li::before {
        content: '✓';
        font-size: 13px;
        color: var(--h-success);
        font-weight: 700;
        flex-shrink: 0;
        line-height: 1.8;
    }
    .h-price-card .h-btn {
        justify-content: center;
        width: 100%;
    }

    /*=== FAQ ===*/
    .h-faq {
        background: var(--h-surface);
    }
    .h-faq-wrap {
        max-width: 820px;
        margin: 0 auto;
    }
    .h-faq .accordion-item {
        border: none;
        border-bottom: 1px solid var(--h-line);
        background: transparent;
        position: relative;
        overflow: visible;
    }
    .h-faq .accordion-item:first-child {
        border-top: 1px solid var(--h-line);
    }
    .h-faq .accordion-button {
        background: transparent;
        box-shadow: none;
        border: none;
        font-size: 16px;
        font-weight: 600;
        color: var(--h-ink);
        padding: 22px 52px 22px 20px;
        position: relative;
        transition: var(--h-transition);
    }
    .h-faq .accordion-button::before {
        content: '';
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-50%);
        width: 3px;
        height: 20px;
        border-radius: 99px;
        background: var(--h-gradient);
        opacity: 0;
        transition: opacity 0.3s ease;
    }
    .h-faq .accordion-button:not(.collapsed)::before {
        opacity: 1;
    }
    .h-faq .accordion-button:not(.collapsed) {
        color: var(--h-ink);
        background: transparent;
    }
    .h-faq .accordion-button::after {
        display: none;
    }
    .h-faq .accordion-button .faq-icon {
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: rgba(109, 94, 243, 0.1);
        color: var(--h-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-style: normal;
        transition: transform 0.3s ease;
    }
    .h-faq .accordion-button:not(.collapsed) .faq-icon {
        transform: translateY(-50%) rotate(45deg);
    }
    .h-faq .accordion-body {
        padding: 0 20px 24px 20px;
        font-size: 15px;
        line-height: 1.75;
        color: #475569;
    }

    /*=== 最新动态 ===*/
    .h-news {
        background: var(--h-bg);
    }
    .h-news-head {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 40px;
    }
    .h-news-head .h-section-head {
        margin-bottom: 0;
    }
    .h-news-more {
        font-size: 14px;
        color: var(--h-primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        white-space: nowrap;
    }
    .h-news-more:hover {
        color: var(--h-primary-deep);
        gap: 8px;
    }
    .h-news-card {
        background: var(--h-surface);
        border: 1px solid var(--h-line);
        border-radius: var(--h-radius);
        overflow: hidden;
        transition: var(--h-transition);
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .h-news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--h-shadow-lg);
        border-color: #C7D2FE;
    }
    .news-thumb {
        aspect-ratio: 16/10;
        overflow: hidden;
        background: #EEF2FF;
        position: relative;
        display: block;
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .h-news-card:hover .news-thumb img {
        transform: scale(1.03);
    }
    .thumb-watermark {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 56px;
        font-weight: 800;
        color: rgba(109, 94, 243, 0.25);
        font-family: var(--font-num);
        background: linear-gradient(135deg, #EEF2FF, #F5F3FF);
    }
    .news-body {
        padding: 18px 20px 16px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .news-cat {
        align-self: flex-start;
        font-size: 12px;
        color: var(--h-primary-deep);
        background: rgba(109, 94, 243, 0.1);
        padding: 3px 10px;
        border-radius: 999px;
        margin-bottom: 10px;
        font-weight: 600;
        letter-spacing: 0.02em;
    }
    .news-title {
        font-size: 16px;
        line-height: 1.5;
        font-weight: 700;
        color: var(--h-ink);
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-title a {
        color: inherit;
    }
    .news-title a:hover {
        color: var(--h-primary);
    }
    .news-excerpt {
        font-size: 13px;
        color: var(--h-ink-3);
        line-height: 1.6;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-meta {
        margin-top: auto;
        padding-top: 12px;
        border-top: 1px solid var(--h-line);
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--h-ink-3);
    }
    .news-more {
        font-size: 14px;
        color: var(--h-primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .news-more:hover {
        color: var(--h-primary-deep);
    }
    /* 空状态 */
    .news-empty {
        text-align: center;
        padding: 60px 20px;
    }
    .empty-circle {
        width: 120px;
        height: 120px;
        border: 2px dashed #C7D2FE;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        color: var(--h-ink-3);
        margin: 0 auto 16px;
        background: #fff;
    }
    .news-empty p {
        font-size: 15px;
        color: var(--h-ink-2);
        margin-bottom: 6px;
    }
    .news-empty small {
        font-size: 13px;
        color: var(--h-ink-3);
    }

    /*=== CTA ===*/
    .h-cta-section {
        background: var(--h-surface);
        padding: 64px 0;
    }
    .h-cta-box {
        background: linear-gradient(135deg, #EEF2FF, #F5F3FF, #FEF3C7);
        border-radius: 20px;
        padding: 48px 40px;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .h-cta-box::before {
        content: 'h';
        position: absolute;
        right: -20px;
        bottom: -30px;
        font-size: 200px;
        font-weight: 900;
        color: var(--h-primary);
        opacity: 0.06;
        line-height: 1;
        font-family: var(--font-num);
        pointer-events: none;
    }
    .h-cta-box h3 {
        font-size: 28px;
        font-weight: 700;
        color: var(--h-ink);
        margin-bottom: 12px;
        position: relative;
        z-index: 1;
    }
    .h-cta-box p {
        font-size: 15px;
        color: var(--h-ink-3);
        margin-bottom: 28px;
        position: relative;
        z-index: 1;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

    /*=== 页脚 ===*/
    .h-footer {
        background: #0F172A;
        color: #94A3B8;
        padding: 72px 0 0;
        position: relative;
    }
    .h-footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1.2fr;
        gap: 48px;
        padding-bottom: 48px;
    }
    .h-footer-brand {
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }
    .h-footer-brand span {
        background: var(--h-gradient);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .h-footer-col p {
        font-size: 14px;
        line-height: 1.8;
        margin: 0;
        max-width: 320px;
    }
    .h-footer-col h4 {
        color: #fff;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 20px;
        letter-spacing: 0.02em;
    }
    .h-footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .h-footer-links li {
        margin-bottom: 10px;
    }
    .h-footer-links a {
        font-size: 14px;
        color: #94A3B8;
        transition: var(--h-transition);
    }
    .h-footer-links a:hover {
        color: #fff;
        padding-left: 4px;
    }
    .h-footer-contact {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .h-footer-contact li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        margin-bottom: 12px;
        color: #94A3B8;
    }
    .h-footer-contact i {
        width: 16px;
        text-align: center;
        color: #A78BFA;
        font-size: 14px;
    }
    .h-footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding: 20px 0;
        text-align: center;
        font-size: 13px;
        color: #64748B;
    }

    /*=== 浮动 CTA ===*/
    .h-float-cta {
        position: fixed;
        right: 24px;
        bottom: 24px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--h-gradient);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 8px 20px rgba(79, 70, 229, 0.35);
        z-index: 1050;
        transition: all 0.3s ease;
        overflow: hidden;
        white-space: nowrap;
        font-size: 16px;
        cursor: pointer;
    }
    .h-float-cta:hover {
        width: 140px;
        border-radius: 999px;
        justify-content: center;
        gap: 8px;
    }
    .h-float-cta .cta-text {
        font-size: 14px;
        opacity: 0;
        transition: opacity 0.3s ease;
        font-weight: 600;
    }
    .h-float-cta:hover .cta-text {
        opacity: 1;
    }
    .h-mobile-cta {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 56px;
        background: #fff;
        border-top: 1px solid var(--h-line);
        z-index: 1050;
        padding: 8px 16px;
        align-items: center;
        gap: 12px;
        box-shadow: 0 -4px 12px rgba(15, 23, 42, 0.04);
    }
    .h-mobile-cta .h-btn {
        flex: 1;
        justify-content: center;
        padding: 8px 12px;
        font-size: 14px;
    }

    /*=== 响应式 ===*/
    @media (max-width: 991.98px) {
        .h-nav-links {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
            padding: 0 24px;
            box-shadow: 0 8px 16px rgba(15, 23, 42, 0.06);
            border-bottom: 1px solid var(--h-line);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
            z-index: 1045;
        }
        .h-nav-links.open {
            max-height: 480px;
            padding: 12px 24px 20px;
        }
        .h-nav-links li {
            width: 100%;
            border-bottom: 1px solid var(--h-line);
        }
        .h-nav-links li:last-child {
            border-bottom: none;
        }
        .h-nav-links a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            width: 100%;
        }
        .h-nav-links a.active::after {
            display: none;
        }
        .h-nav-toggle {
            display: flex;
        }
        .h-nav-icon {
            display: none;
        }
        .h-hero {
            padding: 120px 0 60px;
        }
        .h-hero-inner {
            grid-template-columns: 1fr;
            gap: 48px;
        }
        .h-hero-sub {
            max-width: none;
        }
        .h-section {
            padding: 72px 0;
        }
        .h-proof-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .h-pricing-row {
            grid-template-columns: 1fr;
            max-width: 480px;
            margin: 0 auto;
        }
        .h-price-card.h-price-featured {
            transform: none;
        }
        .h-price-card.h-price-featured:hover {
            transform: translateY(-4px);
        }
        .h-footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
    }
    @media (max-width: 767.98px) {
        .h-section {
            padding: 64px 0;
        }
        .h-section-head h2 {
            font-size: 1.625rem;
        }
        .h-news-head {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }
        .h-footer-grid {
            grid-template-columns: 1fr;
        }
        .h-cta-box {
            padding: 36px 20px;
        }
        .h-cta-box h3 {
            font-size: 22px;
        }
    }
    @media (max-width: 575.98px) {
        .h-hero {
            padding: 96px 0 48px;
            min-height: 100svh;
        }
        .h-hero h1 {
            font-size: 2rem;
        }
        .h-hero-actions {
            flex-direction: column;
        }
        .h-hero-actions .h-btn {
            width: 100%;
            justify-content: center;
        }
        .h-hero-visual {
            margin-top: 16px;
        }
        .hero-badge {
            bottom: -16px;
            right: 12px;
            padding: 10px 16px;
            min-width: 120px;
        }
        .hero-badge-num {
            font-size: 20px;
        }
        .h-proof-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .h-proof-badge {
            padding: 24px 12px;
        }
        .h-counter {
            font-size: 1.5rem;
        }
        .h-pricing-row {
            gap: 20px;
        }
        .h-price-card {
            padding: 28px 20px;
        }
        .h-faq .accordion-button {
            font-size: 15px;
            padding: 18px 20px 18px 16px;
        }
        .h-float-cta {
            display: none;
        }
        .h-mobile-cta {
            display: flex;
        }
        .h-footer {
            padding-top: 48px;
        }
        .news-empty {
            padding: 40px 16px;
        }
    }
    @media (hover: hover) {
        .h-news-card:hover .news-more {
            gap: 8px;
        }
    }

/* roulang page: article */
:root {
            --h-primary: #6D5EF3;
            --h-primary-deep: #4F46E5;
            --h-secondary: #F59E0B;
            --h-gradient: linear-gradient(135deg, #6D5EF3 0%, #A78BFA 50%, #F59E0B 120%);
            --h-bg: #F8FAFC;
            --h-surface: #FFFFFF;
            --h-ink: #0F172A;
            --h-ink-2: #334155;
            --h-ink-3: #64748B;
            --h-line: #E2E8F0;
            --h-success: #10B981;
            --h-radius-lg: 18px;
            --h-radius-md: 12px;
            --h-radius-sm: 8px;
            --h-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
            --h-shadow-hover: 0 12px 24px -8px rgba(79, 70, 229, 0.12);
            --h-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --h-font-num: "Inter", "DIN Alternate", "Roboto", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--h-font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--h-ink-2);
            background: var(--h-bg);
            -webkit-font-smoothing: antialiased;
            padding-top: 72px;
            overflow-x: hidden;
        }

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

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

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

        :focus-visible {
            outline: 2px solid var(--h-primary-deep);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-lg {
            max-width: 1140px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .h-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--h-radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            cursor: pointer;
            justify-content: center;
        }

        .h-btn-primary {
            background: var(--h-gradient);
            color: #fff;
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
        }

        .h-btn-primary:hover {
            color: #fff;
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
        }

        .h-btn-ghost {
            background: transparent;
            border-color: var(--h-line);
            color: var(--h-ink-2);
        }

        .h-btn-ghost:hover {
            border-color: var(--h-primary);
            color: var(--h-primary);
            background: rgba(109, 94, 243, 0.04);
            transform: translateY(-2px);
        }

        /* 导航 */
        .h-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: saturate(180%) blur(20px);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid var(--h-line);
            transition: box-shadow 0.3s ease;
        }

        .h-nav.scrolled {
            box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
        }

        .h-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .h-brand {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
            background: var(--h-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            white-space: nowrap;
        }

        .h-nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .h-nav-links li {
            position: relative;
        }

        .h-nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            letter-spacing: 0.02em;
            padding: 6px 0;
            position: relative;
            transition: color 0.2s ease;
        }

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

        .h-nav-links a.active {
            color: var(--h-primary);
            font-weight: 600;
        }

        .h-nav-links a.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -2px;
            transform: translateX(-50%);
            width: 16px;
            height: 3px;
            border-radius: 999px;
            background: var(--h-gradient);
        }

        .h-nav-icon {
            font-size: 18px;
            color: var(--h-ink-3);
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .h-nav-icon:hover {
            color: var(--h-primary);
        }

        .h-nav-toggle {
            display: none;
            background: none;
            border: 0;
            padding: 10px;
            cursor: pointer;
            width: 44px;
            height: 44px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 6px;
        }

        .h-nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--h-ink);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .h-nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(3px, 3px);
        }

        .h-nav-toggle.active span:nth-child(2) {
            transform: rotate(-45deg) translate(3px, -3px);
        }

        /* 文章页 */
        .article-frame {
            padding: 64px 0 0;
        }

        .article-toc {
            position: sticky;
            top: 96px;
            background: var(--h-surface);
            border: 1px solid var(--h-line);
            border-radius: var(--h-radius-md);
            padding: 24px;
            box-shadow: var(--h-shadow);
        }

        .article-toc h5 {
            font-size: 16px;
            font-weight: 700;
            color: var(--h-ink);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--h-line);
        }

        .article-toc ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .article-toc li {
            margin-bottom: 10px;
        }

        .article-toc a {
            font-size: 14px;
            color: var(--h-ink-3);
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            border-radius: 6px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .article-toc a::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--h-line);
            flex-shrink: 0;
            transition: background 0.2s ease;
        }

        .article-toc a:hover {
            background: rgba(109, 94, 243, 0.05);
            color: var(--h-primary);
        }

        .article-toc a:hover::before {
            background: var(--h-primary);
        }

        .toc-back {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--h-line);
        }

        .toc-back a {
            font-size: 13px;
            color: var(--h-ink-3);
        }

        .h-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #94A3B8;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .h-breadcrumb a {
            color: #94A3B8;
            transition: color 0.2s ease;
        }

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

        .h-breadcrumb span {
            color: var(--h-ink);
            font-weight: 500;
            max-width: 240px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-main {
            background: var(--h-surface);
            border: 1px solid var(--h-line);
            border-radius: var(--h-radius-lg);
            padding: 40px;
            box-shadow: var(--h-shadow);
        }

        .article-title {
            font-size: clamp(28px, 3vw, 38px);
            font-weight: 800;
            line-height: 1.3;
            color: var(--h-ink);
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 24px;
            font-size: 14px;
            color: #94A3B8;
            padding-bottom: 24px;
            border-bottom: 1px solid var(--h-line);
            margin-bottom: 32px;
        }

        .article-meta i {
            margin-right: 6px;
            font-size: 13px;
        }

        .article-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            border-radius: 16px;
            margin-bottom: 36px;
            box-shadow: var(--h-shadow);
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #334155;
        }

        .article-content p {
            margin-bottom: 1.5em;
            font-size: 16px;
            line-height: 1.9;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--h-ink);
            margin: 2em 0 1em;
            padding-left: 16px;
            position: relative;
        }

        .article-content h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            border-radius: 999px;
            background: var(--h-gradient);
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--h-ink);
            margin: 1.8em 0 0.8em;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--h-ink);
            margin: 1.5em 0 0.6em;
        }

        .article-content blockquote {
            margin: 2em 0;
            padding: 16px 20px;
            border-left: 3px solid var(--h-primary);
            border-radius: 0 8px 8px 0;
            background: #F8FAFC;
            color: var(--h-ink-3);
            font-size: 15px;
            line-height: 1.8;
        }

        .article-content code {
            background: #F1F5F9;
            border-radius: 4px;
            padding: 2px 8px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 0.9em;
            color: #BE185D;
        }

        .article-content pre {
            margin: 2em 0;
            padding: 20px;
            background: #0F172A;
            border-radius: var(--h-radius-md);
            overflow-x: auto;
            color: #E2E8F0;
            font-size: 14px;
            line-height: 1.7;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .article-content img {
            border-radius: var(--h-radius-md);
            margin: 2em 0;
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .article-content figure {
            margin: 2em 0;
        }

        .article-content figure img {
            margin: 0;
        }

        .article-content figcaption {
            text-align: center;
            font-size: 13px;
            color: #94A3B8;
            padding-top: 10px;
        }

        .article-content ul,
        .article-content ol {
            margin: 1.5em 0;
            padding-left: 1.5em;
        }

        .article-content li {
            margin-bottom: 0.6em;
            line-height: 1.9;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            margin-top: 40px;
            border-top: 1px solid var(--h-line);
        }

        .h-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(109, 94, 243, 0.1);
            color: var(--h-primary-deep);
            font-size: 12px;
            font-weight: 600;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .h-tag:hover {
            background: rgba(109, 94, 243, 0.2);
            color: var(--h-primary-deep);
        }

        .article-pager {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 24px;
            margin-top: 28px;
            border-top: 1px solid var(--h-line);
        }

        .pager-item {
            flex: 0 0 auto;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .pager-label {
            font-size: 12px;
            color: #94A3B8;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .pager-item a {
            font-size: 15px;
            font-weight: 600;
            color: var(--h-ink);
            transition: color 0.2s ease;
        }

        .pager-item a:hover {
            color: var(--h-primary);
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px;
        }

        .empty-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 24px;
            border-radius: 50%;
            border: 2px dashed var(--h-line);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: #94A3B8;
        }

        .article-empty h1 {
            font-size: 24px;
            font-weight: 700;
            color: var(--h-ink);
            margin-bottom: 12px;
        }

        .article-empty p {
            color: var(--h-ink-3);
            margin-bottom: 32px;
        }

        /* CTA 区域 */
        .article-cta {
            padding: 64px 0 0;
        }

        .cta-card {
            background: linear-gradient(135deg, rgba(109, 94, 243, 0.08), rgba(167, 139, 250, 0.06), rgba(245, 158, 11, 0.05));
            border: 1px solid rgba(109, 94, 243, 0.15);
            border-radius: var(--h-radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .cta-info h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--h-ink);
            margin-bottom: 8px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--h-ink-3);
            margin: 0;
        }

        .cta-action {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 相关推荐 */
        .article-related {
            padding: 64px 0 96px;
        }

        .section-head {
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--h-ink);
            margin: 0;
            position: relative;
            padding-left: 16px;
        }

        .section-head h2::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 22px;
            border-radius: 999px;
            background: var(--h-gradient);
        }

        .h-news-card {
            background: var(--h-surface);
            border: 1px solid var(--h-line);
            border-radius: var(--h-radius-md);
            overflow: hidden;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .h-news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--h-shadow-hover);
            border-color: #C7D2FE;
        }

        .news-thumb {
            display: block;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #EEF2FF;
            position: relative;
        }

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

        .h-news-card:hover .news-thumb img {
            transform: scale(1.03);
        }

        .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-cat {
            display: inline-block;
            align-self: flex-start;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(109, 94, 243, 0.1);
            color: var(--h-primary-deep);
            font-size: 12px;
            font-weight: 600;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--h-ink);
            line-height: 1.4;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }

        .news-body h3 a {
            color: inherit;
        }

        .news-body h3 a:hover {
            color: var(--h-primary);
        }

        .news-body p {
            font-size: 14px;
            color: var(--h-ink-3);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--h-line);
            font-size: 13px;
        }

        .news-foot span {
            color: #94A3B8;
            font-family: var(--h-font-num);
        }

        .news-foot a {
            color: var(--h-primary);
            font-weight: 600;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .news-foot a:hover {
            color: var(--h-primary-deep);
        }

        /* 页脚 */
        .h-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 72px 0 0;
        }

        .h-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .h-footer-brand {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
            background: var(--h-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 16px;
        }

        .h-footer-col p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .h-footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 20px;
        }

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

        .h-footer-links a {
            color: #94A3B8;
            font-size: 14px;
            transition: color 0.2s ease;
        }

        .h-footer-links a:hover {
            color: #fff;
        }

        .h-footer-contact {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .h-footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
        }

        .h-footer-contact i {
            font-size: 16px;
            color: var(--h-primary);
            flex-shrink: 0;
        }

        .h-footer-bottom {
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .h-footer-bottom p {
            font-size: 13px;
            color: #64748B;
            margin: 0;
            letter-spacing: 0.02em;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            body {
                padding-top: 64px;
            }

            .h-nav {
                height: 64px;
            }

            .h-nav-links {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: #fff;
                flex-direction: column;
                justify-content: flex-start;
                align-items: flex-start;
                gap: 0;
                padding: 40px 32px;
                transform: translateX(100%);
                transition: transform 0.35s ease;
                z-index: 999;
                overflow-y: auto;
            }

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

            .h-nav-links li {
                width: 100%;
                border-bottom: 1px solid var(--h-line);
            }

            .h-nav-links a {
                display: block;
                padding: 18px 0;
                font-size: 22px;
                font-weight: 600;
                color: var(--h-ink);
            }

            .h-nav-links a.active::after {
                display: none;
            }

            .h-nav-links a.active {
                color: var(--h-primary);
            }

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

            .article-main {
                padding: 32px 28px;
            }

            .h-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 767.98px) {
            .article-frame {
                padding-top: 40px;
            }

            .article-main {
                padding: 24px 20px;
                border-radius: var(--h-radius-md);
            }

            .article-title {
                font-size: 26px;
            }

            .article-meta {
                gap: 8px 16px;
            }

            .cta-card {
                padding: 28px 24px;
            }

            .cta-action {
                width: 100%;
            }

            .cta-action .h-btn {
                flex: 1;
            }

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

        @media (max-width: 575.98px) {
            .article-main {
                padding: 20px 16px;
            }

            .article-title {
                font-size: 22px;
                line-height: 1.35;
            }

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

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

            .article-content h2 {
                font-size: 20px;
            }

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

            .cta-card {
                padding: 24px 20px;
            }

            .cta-info h3 {
                font-size: 19px;
            }

            .article-related {
                padding: 48px 0 64px;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .article-pager {
                flex-direction: column;
                gap: 16px;
            }

            .h-footer {
                padding-top: 48px;
            }
        }

        @media (hover: hover) {
            .h-news-card {
                transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --h-primary: #6D5EF3;
            --h-primary-deep: #4F46E5;
            --h-secondary: #F59E0B;
            --h-gradient: linear-gradient(135deg, #6D5EF3 0%, #A78BFA 50%, #F59E0B 120%);
            --h-bg: #F8FAFC;
            --h-surface: #FFFFFF;
            --h-ink: #0F172A;
            --h-ink-2: #334155;
            --h-ink-3: #64748B;
            --h-line: #E2E8F0;
            --h-success: #10B981;
            --h-error: #EF4444;
            --h-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
            --h-shadow-hover: 0 12px 24px -8px rgba(79, 70, 229, 0.12);
            --h-radius-sm: 8px;
            --h-radius: 12px;
            --h-radius-lg: 20px;
            --h-nav-height: 72px;
            --h-section-pad: 96px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::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", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--h-ink-2);
            background-color: var(--h-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        button {
            border: none;
            background: none;
            font-family: inherit;
            cursor: pointer;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            font-weight: 700;
            color: var(--h-ink);
            line-height: 1.3;
        }
        p {
            margin: 0;
        }
        :focus-visible {
            outline: 2px solid var(--h-primary-deep);
            outline-offset: 2px;
        }
        section {
            scroll-margin-top: var(--h-nav-height);
        }
        .container-lg {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .h-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--h-nav-height);
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: saturate(180%) blur(20px);
            -webkit-backdrop-filter: saturate(180%) blur(20px);
            border-bottom: 1px solid var(--h-line);
        }
        .h-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .h-brand {
            font-size: 20px;
            font-weight: 800;
            background: var(--h-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .h-nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .h-nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #475569;
            letter-spacing: 0.02em;
            position: relative;
            padding: 8px 2px;
            transition: color 0.2s ease;
        }
        .h-nav-links a:hover {
            color: var(--h-primary);
        }
        .h-nav-links a.active {
            color: var(--h-primary);
        }
        .h-nav-links a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: var(--h-gradient);
        }
        .h-nav-icon {
            font-size: 18px;
            color: var(--h-ink-3);
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .h-nav-icon:hover {
            color: var(--h-primary);
        }
        .h-nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
            width: 40px;
            height: 40px;
            padding: 0;
            border-radius: 8px;
            transition: background 0.2s ease;
        }
        .h-nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--h-ink);
            border-radius: 2px;
            transition: all 0.3s ease;
            margin: 0 auto;
        }
        .h-nav-toggle.open span:nth-child(1) {
            transform: translateY(4px) rotate(45deg);
        }
        .h-nav-toggle.open span:nth-child(2) {
            transform: translateY(-4px) rotate(-45deg);
        }

        /* ===== 按钮 ===== */
        .h-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
            white-space: nowrap;
            cursor: pointer;
        }
        .h-btn-primary {
            background: var(--h-gradient);
            color: #fff;
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
        }
        .h-btn-primary:hover {
            filter: brightness(1.05);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
            color: #fff;
        }
        .h-btn-outline {
            background: transparent;
            border-color: var(--h-line);
            color: var(--h-ink);
        }
        .h-btn-outline:hover {
            border-color: var(--h-primary);
            color: var(--h-primary);
            background: rgba(109, 94, 243, 0.04);
            transform: translateY(-2px);
        }
        .h-btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .h-btn-block {
            width: 100%;
        }

        /* ===== Hero ===== */
        .h-hero {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: calc(var(--h-nav-height) + 60px) 0 80px;
            background: #0F172A url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        }
        .h-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 45%, rgba(109, 94, 243, 0.35) 100%);
        }
        .h-hero::after {
            content: "h";
            position: absolute;
            right: -40px;
            bottom: -80px;
            font-size: 600px;
            font-weight: 800;
            line-height: 1;
            color: rgba(255, 255, 255, 0.05);
            user-select: none;
            pointer-events: none;
            font-family: "Inter", "DIN Alternate", "Roboto", sans-serif;
        }
        .h-hero .container-lg {
            position: relative;
            z-index: 2;
        }
        .h-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .h-hero-tag i {
            font-size: 12px;
            color: var(--h-secondary);
        }
        .h-hero-title {
            font-size: clamp(2.25rem, 4vw, 3.75rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            max-width: 720px;
        }
        .h-hero-title span {
            background: var(--h-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .h-hero-sub {
            font-size: clamp(1rem, 1.4vw, 1.25rem);
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .h-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .h-hero-scroll {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 12px;
            letter-spacing: 0.1em;
            z-index: 3;
        }
        .h-hero-scroll .line {
            width: 1px;
            height: 40px;
            background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
            position: relative;
            overflow: hidden;
        }
        .h-hero-scroll .line::after {
            content: "";
            position: absolute;
            top: -100%;
            left: 0;
            width: 100%;
            height: 100%;
            background: #fff;
            animation: scrollLine 2s ease-in-out infinite;
        }
        @keyframes scrollLine {
            0% {
                top: -100%;
            }
            60%,
            100% {
                top: 100%;
            }
        }

        /* ===== 通用板块 ===== */
        .h-section {
            padding: var(--h-section-pad) 0;
        }
        .h-section-alt {
            background: var(--h-surface);
        }
        .h-sec-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }
        .h-sec-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--h-primary);
            letter-spacing: 0.08em;
            position: relative;
            padding-left: 14px;
            margin-bottom: 10px;
        }
        .h-sec-tag::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 14px;
            border-radius: 4px;
            background: var(--h-gradient);
        }
        .h-sec-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--h-ink);
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .h-sec-sub {
            font-size: 1rem;
            color: var(--h-ink-3);
            line-height: 1.75;
        }

        /* ===== 核心卖点 ===== */
        .h-feature-grid {
            position: relative;
        }
        .h-feature-card {
            background: var(--h-surface);
            border: 1px solid var(--h-line);
            border-radius: var(--h-radius);
            padding: 28px 26px;
            height: 100%;
            position: relative;
            overflow: hidden;
            box-shadow: var(--h-shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .h-feature-card::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--h-gradient);
            opacity: 0;
            transition: opacity 0.25s ease;
        }
        .h-feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--h-shadow-hover);
            border-color: #C7D2FE;
        }
        .h-feature-card:hover::before {
            opacity: 1;
        }
        .h-feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(109, 94, 243, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--h-primary);
            margin-bottom: 20px;
        }
        .h-feature-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--h-ink);
            margin-bottom: 10px;
        }
        .h-feature-card p {
            font-size: 0.875rem;
            color: var(--h-ink-3);
            line-height: 1.7;
        }
        .h-feature-offset {
            margin-top: 24px;
        }

        /* ===== 展示区 ===== */
        .h-showcase-wrap {
            position: relative;
        }
        .h-browser-window {
            background: var(--h-surface);
            border-radius: var(--h-radius-lg);
            border: 1px solid var(--h-line);
            overflow: hidden;
            box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.15);
        }
        .h-browser-bar {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 12px 16px;
            background: #F1F5F9;
            border-bottom: 1px solid var(--h-line);
        }
        .h-browser-bar .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #E2E8F0;
        }
        .h-browser-bar .dot:nth-child(1) {
            background: #FCA5A5;
        }
        .h-browser-bar .dot:nth-child(2) {
            background: #FDE68A;
        }
        .h-browser-bar .dot:nth-child(3) {
            background: #6EE7B7;
        }
        .h-browser-bar .url-bar {
            flex: 1;
            height: 24px;
            background: var(--h-surface);
            border-radius: 6px;
            margin-left: 10px;
            border: 1px solid var(--h-line);
            display: flex;
            align-items: center;
            padding: 0 10px;
            font-size: 12px;
            color: var(--h-ink-3);
        }
        .h-browser-body {
            position: relative;
        }
        .h-browser-body img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }
        .h-browser-body::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.4));
            pointer-events: none;
        }
        .h-showcase-panel {
            position: absolute;
            bottom: 24px;
            left: 24px;
            background: rgba(255, 255, 255, 0.92);
            border-radius: var(--h-radius);
            padding: 16px 20px;
            box-shadow: 0 20px 40px -12px rgba(15, 23, 42, 0.2);
            max-width: 280px;
            z-index: 2;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .h-showcase-panel h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--h-ink);
            margin-bottom: 4px;
        }
        .h-showcase-panel p {
            font-size: 13px;
            color: var(--h-ink-3);
            line-height: 1.6;
        }

        /* ===== 适用场景 ===== */
        .h-scene-row {
            display: flex;
            align-items: center;
            gap: 56px;
            margin-bottom: 48px;
        }
        .h-scene-row:nth-child(even) {
            flex-direction: row-reverse;
        }
        .h-scene-row:last-child {
            margin-bottom: 0;
        }
        .h-scene-media {
            flex: 1;
            border-radius: var(--h-radius-lg);
            overflow: hidden;
            box-shadow: var(--h-shadow-hover);
            position: relative;
        }
        .h-scene-media img {
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .h-scene-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(109, 94, 243, 0.06), rgba(245, 158, 11, 0.04));
            pointer-events: none;
        }
        .h-scene-content {
            flex: 1;
        }
        .h-scene-content .h-scene-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--h-primary);
            background: rgba(109, 94, 243, 0.08);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }
        .h-scene-content h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--h-ink);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .h-scene-content p {
            font-size: 0.9375rem;
            color: var(--h-ink-3);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .h-scene-content .h-check-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--h-ink-2);
            margin-bottom: 6px;
        }
        .h-scene-content .h-check-list li i {
            color: var(--h-success);
            font-size: 12px;
        }

        /* ===== 数据证据 ===== */
        .h-proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .h-proof-card {
            background: var(--h-surface);
            border: 1px solid var(--h-line);
            border-radius: 16px;
            text-align: center;
            padding: 32px 20px 28px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--h-shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }
        .h-proof-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--h-gradient);
        }
        .h-proof-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--h-shadow-hover);
        }
        .h-proof-num {
            font-size: 2.25rem;
            font-weight: 800;
            background: var(--h-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-family: "Inter", "DIN Alternate", "Roboto", sans-serif;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .h-proof-label {
            font-size: 13px;
            color: var(--h-ink-3);
            letter-spacing: 0.02em;
        }
        .h-proof-link {
            text-align: center;
            margin-top: 32px;
        }
        .h-proof-link a {
            font-size: 14px;
            color: var(--h-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.2s ease;
        }
        .h-proof-link a:hover {
            gap: 10px;
        }

        /* ===== 获取方式 ===== */
        .h-plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .h-plan-card {
            background: var(--h-surface);
            border: 1px solid var(--h-line);
            border-radius: var(--h-radius-lg);
            padding: 32px 28px;
            position: relative;
            box-shadow: var(--h-shadow);
            display: flex;
            flex-direction: column;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .h-plan-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--h-shadow-hover);
            border-color: #C7D2FE;
        }
        .h-plan-card.featured {
            border-top: 4px solid var(--h-primary);
            transform: scale(1.03);
            box-shadow: 0 12px 24px -8px rgba(79, 70, 229, 0.12);
            z-index: 2;
        }
        .h-plan-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .h-plan-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--h-gradient);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 14px;
            box-shadow: 0 4px 10px rgba(109, 94, 243, 0.3);
        }
        .h-plan-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--h-primary);
            background: rgba(109, 94, 243, 0.08);
            margin-bottom: 20px;
        }
        .h-plan-card.featured .h-plan-icon {
            background: var(--h-gradient);
            color: #fff;
        }
        .h-plan-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .h-plan-card .desc {
            font-size: 0.875rem;
            color: var(--h-ink-3);
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .h-plan-card ul {
            flex: 1;
            margin-bottom: 28px;
        }
        .h-plan-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 14px;
            color: var(--h-ink-2);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .h-plan-card ul li i {
            color: var(--h-success);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .h-faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .h-faq-wrap .accordion-item {
            border: none;
            border-bottom: 1px solid var(--h-line);
            background: transparent;
        }
        .h-faq-wrap .accordion-button {
            background: transparent;
            box-shadow: none;
            border: none;
            padding: 20px 16px 20px 4px;
            font-size: 16px;
            font-weight: 600;
            color: var(--h-ink);
            position: relative;
            border-left: 3px solid transparent;
            transition: border-color 0.3s ease, color 0.3s ease;
        }
        .h-faq-wrap .accordion-button::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background: none;
            width: auto;
            height: auto;
            font-size: 14px;
            color: var(--h-ink-3);
            transition: transform 0.3s ease;
        }
        .h-faq-wrap .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--h-primary);
            border-left-color: var(--h-primary);
            box-shadow: none;
        }
        .h-faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--h-primary);
        }
        .h-faq-wrap .accordion-button:focus {
            box-shadow: none;
        }
        .h-faq-wrap .accordion-body {
            padding: 0 16px 24px 4px;
            font-size: 15px;
            color: var(--h-ink-3);
            line-height: 1.75;
            border-left: 3px solid rgba(109, 94, 243, 0.15);
        }

        /* ===== CTA 区 ===== */
        .h-cta {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(109, 94, 243, 0.06), rgba(245, 158, 11, 0.05));
        }
        .h-cta-inner {
            background: var(--h-surface);
            border-radius: var(--h-radius-lg);
            padding: 56px 48px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            border: 1px solid var(--h-line);
            box-shadow: var(--h-shadow);
            position: relative;
            overflow: hidden;
        }
        .h-cta-inner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--h-gradient);
        }
        .h-cta-inner h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--h-ink);
            margin-bottom: 14px;
        }
        .h-cta-inner p {
            font-size: 1rem;
            color: var(--h-ink-3);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }

        /* ===== 页脚 ===== */
        .h-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 64px 0 0;
        }
        .h-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .h-footer-brand {
            font-size: 22px;
            font-weight: 800;
            background: var(--h-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 14px;
        }
        .h-footer-col p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 340px;
        }
        .h-footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .h-footer-links li,
        .h-footer-contact li {
            margin-bottom: 10px;
        }
        .h-footer-links a {
            font-size: 14px;
            color: #94A3B8;
            transition: color 0.2s ease, text-underline-offset 0.2s ease;
        }
        .h-footer-links a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .h-footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }
        .h-footer-contact i {
            width: 16px;
            color: var(--h-primary);
            font-size: 14px;
        }
        .h-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
        }
        .h-footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 浮动 CTA ===== */
        .h-float-cta {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 1040;
        }
        .h-float-cta .btn-expand {
            display: flex;
            align-items: center;
            gap: 8px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--h-gradient);
            color: #fff;
            font-size: 18px;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(109, 94, 243, 0.35);
            transition: width 0.3s ease, border-radius 0.3s ease;
            overflow: hidden;
            white-space: nowrap;
        }
        .h-float-cta .btn-expand:hover {
            width: 140px;
            border-radius: 999px;
        }
        .h-float-cta .btn-expand .label {
            font-size: 14px;
            font-weight: 600;
            opacity: 0;
            transition: opacity 0.2s ease 0.1s;
        }
        .h-float-cta .btn-expand:hover .label {
            opacity: 1;
        }

        /* ===== 移动端底部浮动条 ===== */
        .h-mobile-cta {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--h-line);
            padding: 8px 16px;
            gap: 12px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .h-plan-grid {
                gap: 16px;
            }
            .h-plan-card {
                padding: 24px 20px;
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --h-section-pad: 72px;
            }
            .h-nav-links {
                position: fixed;
                top: var(--h-nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 0 24px;
                border-bottom: 1px solid var(--h-line);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
            }
            .h-nav-links.open {
                max-height: 480px;
            }
            .h-nav-links li {
                width: 100%;
            }
            .h-nav-links a {
                display: block;
                padding: 16px 0;
                font-size: 18px;
                border-bottom: 1px solid #F1F5F9;
            }
            .h-nav-links a.active::after {
                left: 0;
                transform: none;
                width: 4px;
                height: 20px;
                border-radius: 4px;
                bottom: auto;
                top: 50%;
                translate: 0 -50%;
            }
            .h-nav-toggle {
                display: flex;
            }
            .h-proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .h-scene-row,
            .h-scene-row:nth-child(even) {
                flex-direction: column;
                gap: 28px;
            }
            .h-scene-media img {
                height: 240px;
            }
            .h-plan-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin: 0 auto;
            }
            .h-plan-card.featured {
                transform: none;
            }
            .h-plan-card.featured:hover {
                transform: translateY(-4px);
            }
            .h-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .h-hero {
                min-height: auto;
                padding: 140px 0 100px;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --h-section-pad: 64px;
            }
            .h-sec-title {
                font-size: 1.75rem;
            }
            .h-browser-body img {
                height: 260px;
            }
            .h-showcase-panel {
                left: 16px;
                right: 16px;
                max-width: none;
                bottom: 16px;
            }
            .h-footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .h-footer-col p {
                max-width: none;
            }
        }
        @media (max-width: 575.98px) {
            .h-hero-actions .h-btn {
                width: 100%;
            }
            .h-float-cta {
                display: none;
            }
            .h-mobile-cta {
                display: flex;
            }
            body {
                padding-bottom: 72px;
            }
            .h-proof-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .h-proof-card {
                padding: 24px 12px;
            }
            .h-proof-num {
                font-size: 1.6rem;
            }
            .h-cta-inner {
                padding: 40px 20px;
            }
            .h-cta-inner h2 {
                font-size: 1.4rem;
            }
            .h-scene-content h3 {
                font-size: 1.25rem;
            }
            .h-hero-title {
                font-size: 2rem;
            }
        }
        @media (hover: none) {
            .h-btn:hover,
            .h-feature-card:hover,
            .h-proof-card:hover,
            .h-plan-card:hover {
                transform: none;
            }
            .h-float-cta .btn-expand:hover {
                width: 48px;
                border-radius: 50%;
            }
            .h-float-cta .btn-expand:hover .label {
                opacity: 0;
            }
        }