/* ==========================================================================
           Base & Variables (Inherited from Homepage Family)
           ========================================================================== */
        :root {
            --color-primary: #6e7cd5;
            --color-primary-hover: #5a66b5;
            --color-primary-light: #eff1fa;
            --color-secondary: #8a96e0;
            --color-bg: #f8f9fc;
            --color-surface: #ffffff;
            --color-text-main: #2d3748;
            --color-text-echo: #718096;
            --color-border: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(110, 124, 213, 0.05);
            --shadow-md: 0 4px 15px rgba(110, 124, 213, 0.1);
            --shadow-hover: 0 10px 25px rgba(110, 124, 213, 0.15);
            --transition: all 0.35s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--color-bg);
            color: var(--color-text-main);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* Mandatory Typography Constraints */
        h1, h2, h3, p, span, a, div {
            word-break: keep-all; /* For Chinese phrasing */
            overflow-wrap: break-word;
        }
        h1, h2, h3 {
            white-space: normal;
            font-weight: 700;
        }

        /* Mandatory Layout Constraints */
        .flex-enforce {
            display: flex;
            flex-wrap: wrap;
        }
        .flex-child {
            min-width: 0;
        }

        /* Container Structure */
        .hull-global {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 4vw;
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }

        /* ==========================================================================
           Forced Header Styles
           ========================================================================== */
        .crown-helm {
            background-color: var(--color-surface);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 999;
            width: 100%;
        }
        .helm-nexus {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            justify-content: space-between;
            align-items: center;
            min-height: 72px;
            min-width: 0;
        }
        .core {
            display: flex;
            align-items: center;
            min-width: 0;
        }
        .core img {
            height: 32px;
            display: block;
        }
        .helm-array {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            align-items: center;
            min-width: 0;
        }
        .wire, .wire-active {
            color: var(--color-text-echo);
            text-decoration: none;
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            min-width: 0;
        }
        .wire:hover, .wire:focus {
            color: var(--color-primary);
        }
        .wire-active.active {
            color: var(--color-primary);
            font-weight: 600;
            position: relative;
        }
        .wire-active.active::after {
            content: '';
            position: absolute;
            bottom: -24px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--color-primary);
            border-radius: 3px 3px 0 0;
        }

        @media (max-width: 768px) {
            .helm-array {
                gap: 1rem;
                justify-content: center;
                width: 100%;
                padding-top: 1rem;
                padding-bottom: 1rem;
            }
            .helm-nexus {
                justify-content: center;
                padding-top: 1rem;
            }
            .wire-active.active::after {
                bottom: -8px;
            }
        }

        /* ==========================================================================
           Main Layout & Modules (Page Role Variants)
           ========================================================================== */
        .mesh-hull {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            flex-direction: column;
            min-width: 0;
        }

        /* 1. Hero / Intro Block (troubleshoot_hero) */
        .flare-prism {
            width: 100%;
            min-height: 400px;
            background: linear-gradient(135deg, #e6e9f8 0%, #f0f2fa 50%, #e2e6fa 100%);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 5rem 0;
            min-width: 0;
            border-bottom: 1px solid rgba(110, 124, 213, 0.1);
        }
        .shell-intro {
            display: flex;
            flex-wrap: wrap;
            width: 100%;
            flex-direction: column;
            align-items: center;
            text-align: center;
            min-width: 0;
        }
        .glyph-flare {
            width: 80px;
            height: 80px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            margin-bottom: 2rem;
            color: var(--color-primary);
            min-width: 0;
        }
        .burst-apex {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 800;
            color: var(--color-text-main);
            line-height: 1.25;
            letter-spacing: -0.02em;
            max-width: 800px;
            margin-bottom: 1.5rem;
            min-width: 0;
        }
        .echo-safe {
            font-size: 1.125rem;
            color: var(--color-text-echo);
            max-width: 700px;
            line-height: 1.8;
            min-width: 0;
        }

        /* 2. Diagnostic Flow (diagnostic_flow) */
        .mesh-flow {
            width: 100%;
            padding: 6rem 0;
            background-color: var(--color-surface);
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }
        .shell-flow {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            min-width: 0;
        }
        .apex-sub {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            color: var(--color-text-main);
            margin-bottom: 1rem;
            text-align: center;
            width: 100%;
            min-width: 0;
        }
        .echo-desc {
            text-align: center;
            color: var(--color-text-echo);
            margin-bottom: 4rem;
            width: 100%;
            font-size: 1.1rem;
            min-width: 0;
        }
        .band-steps {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            width: 100%;
            justify-content: center;
            min-width: 0;
        }
        .node-step {
            flex: 1 1 320px;
            background-color: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            border: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: flex-start;
            transition: var(--transition);
            min-width: 0;
        }
        .node-step:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
        }
        .beam-num {
            width: 48px;
            height: 48px;
            background-color: var(--color-primary-light);
            color: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            min-width: 0;
        }
        .echo-step {
            color: var(--color-text-main);
            font-size: 1.05rem;
            line-height: 1.7;
            min-width: 0;
        }

        /* 3. FAQ / Solutions (faq_accordion) */
        .mesh-faq {
            width: 100%;
            padding: 6rem 0;
            background-color: var(--color-bg);
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }
        .shell-faq {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            min-width: 0;
        }
        .band-faqs {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            gap: 1.5rem;
            width: 100%;
            max-width: 900px;
            margin-top: 3rem;
            min-width: 0;
        }
        .vault-faq {
            width: 100%;
            background-color: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 2rem 2.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 1.5rem;
            transition: var(--transition);
            min-width: 0;
        }
        .vault-faq:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary-light);
        }
        .glyph-error {
            flex: 0 0 auto;
            width: 40px;
            height: 40px;
            color: #e53e3e;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff5f5;
            border-radius: var(--radius-sm);
            min-width: 0;
        }
        .pack-detail {
            flex: 1 1 0%;
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            min-width: 0;
        }
        .apex-faq {
            font-size: 1.25rem;
            color: var(--color-text-main);
            margin-bottom: 0.75rem;
            width: 100%;
            min-width: 0;
        }
        .echo-faq {
            color: var(--color-text-echo);
            line-height: 1.7;
            width: 100%;
            min-width: 0;
        }

        /* ==========================================================================
           Footer
           ========================================================================== */
        .sole-base {
            width: 100%;
            background-color: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 4rem 0 2rem;
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
        }
        .shell-sole {
            width: 100%;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            min-width: 0;
        }
        .apex-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-text-main);
            min-width: 0;
        }
        .band-links {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }
        .wire-sole {
            color: var(--color-text-echo);
            text-decoration: none;
            font-size: 0.95rem;
            transition: var(--transition);
            min-width: 0;
        }
        .wire-sole:hover {
            color: var(--color-primary);
        }
        .depth-echo {
            width: 100%;
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--color-border);
            color: #a0aec0;
            font-size: 0.875rem;
            min-width: 0;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .flare-prism { padding: 3rem 0; }
            .mesh-flow, .mesh-faq { padding: 4rem 0; }
            .band-steps { flex-direction: column; }
            .vault-faq { flex-direction: column; padding: 1.5rem; }
            .shell-sole { flex-direction: column; gap: 2rem; text-align: center; }
            .band-links { justify-content: center; }
        }

.helm-crown-helm {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text-main);
}
.helm-crown-helm,
.helm-crown-helm *,
.helm-crown-helm *::before,
.helm-crown-helm *::after {
    box-sizing: border-box;
}

.helm-crown-helm nav,
.helm-crown-helm div,
.helm-crown-helm section,
.helm-crown-helm article,
.helm-crown-helm aside,
.helm-crown-helm p,
.helm-crown-helm h1,
.helm-crown-helm h2,
.helm-crown-helm h3,
.helm-crown-helm h4,
.helm-crown-helm h5,
.helm-crown-helm h6,
.helm-crown-helm a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.helm-crown-helm p,
.helm-crown-helm h1,
.helm-crown-helm h2,
.helm-crown-helm h3,
.helm-crown-helm h4,
.helm-crown-helm h5,
.helm-crown-helm h6 {
    text-decoration: none;
}

.helm-crown-helm img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.helm-crown-helm {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.helm-crown-helm a.helm-wire-active,
.helm-crown-helm a.helm-wire {
    --aisite-shell-nav-padding: 0.5rem 0;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.helm-crown-helm a.helm-wire-active,
.helm-crown-helm a.helm-wire-active:hover,
.helm-crown-helm a.helm-wire-active:focus,
.helm-crown-helm a.helm-wire-active:active,
.helm-crown-helm a.helm-wire-active.active,
.helm-crown-helm a.helm-wire-active[aria-current="page"],
.helm-crown-helm a.helm-wire,
.helm-crown-helm a.helm-wire:hover,
.helm-crown-helm a.helm-wire:focus,
.helm-crown-helm a.helm-wire:active,
.helm-crown-helm a.helm-wire.active,
.helm-crown-helm a.helm-wire[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.helm-crown-helm .helm-hull-global{
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 4vw;
        }

.helm-crown-helm{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #e2e8f0;
        }

.helm-crown-helm .helm-helm-nexus{
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
            min-width: 0;
        }

.helm-crown-helm .helm-core{
            display: flex;
            align-items: center;
            min-width: 0;
        }

.helm-crown-helm .helm-core img{
            height: 36px;
            width: auto;
            display: block;
        }

.helm-crown-helm .helm-helm-array{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }

.helm-crown-helm .helm-wire{
            font-size: 0.95rem;
            font-weight: 500;
            color: #718096;
            padding: 0.5rem 0;
            position: relative;
        }

.helm-crown-helm .helm-wire::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #6e7cd5;
            transition: all 0.35s ease;
            border-radius: 2px;
        }

.helm-crown-helm .helm-wire:hover{
            color: #6e7cd5;
        }

.helm-crown-helm .helm-wire:hover::after{
            width: 100%;
        }

.helm-crown-helm .helm-wire-active{
            font-size: 0.95rem;
            font-weight: 600;
            color: #6e7cd5;
            padding: 0.5rem 0;
            position: relative;
        }

.helm-crown-helm .helm-wire-active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #6e7cd5;
            border-radius: 2px;
        }

@media (max-width: 768px){.helm-crown-helm{
                position: relative;
            }

.helm-crown-helm .helm-helm-nexus{
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }

.helm-crown-helm .helm-helm-array{
                gap: 1rem;
                width: 100%;
                overflow-x: auto;
                padding-bottom: 0.5rem;
            }}

.helm-crown-helm {
    background: rgb(255, 255, 255);
    background-image: none;
}

.base-sole-base {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text-main);
}
.base-sole-base,
.base-sole-base *,
.base-sole-base *::before,
.base-sole-base *::after {
    box-sizing: border-box;
}

.base-sole-base nav,
.base-sole-base div,
.base-sole-base section,
.base-sole-base article,
.base-sole-base aside,
.base-sole-base p,
.base-sole-base h1,
.base-sole-base h2,
.base-sole-base h3,
.base-sole-base h4,
.base-sole-base h5,
.base-sole-base h6,
.base-sole-base a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.base-sole-base p,
.base-sole-base h1,
.base-sole-base h2,
.base-sole-base h3,
.base-sole-base h4,
.base-sole-base h5,
.base-sole-base h6 {
    text-decoration: none;
}

.base-sole-base img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.base-sole-base {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.base-sole-base a,
.base-sole-base a:hover,
.base-sole-base a:focus,
.base-sole-base a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.base-sole-base .base-hull-global{
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 4vw;
        }

.base-sole-base{
            background-color: #ffffff;
            border-top: 1px solid #e2e8f0;
            padding: 4rem 0 2rem 0;
            margin-top: auto;
        }

.base-sole-base .base-root-depth{
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
            min-width: 0;
        }

.base-sole-base .base-base-apex{
            font-size: 1.5rem;
            font-weight: 800;
            color: #2d3748;
            letter-spacing: -0.02em;
        }

.base-sole-base .base-base-band{
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            min-width: 0;
        }

.base-sole-base .base-base-wire{
            color: #718096;
            font-size: 0.9rem;
        }

.base-sole-base .base-base-wire:hover{
            color: #6e7cd5;
        }

.base-sole-base .base-base-echo{
            width: 100%;
            text-align: center;
            color: #a0aec0;
            font-size: 0.85rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid #e2e8f0;
        }

@media (max-width: 768px){.base-sole-base .base-root-depth{
                flex-direction: column;
                align-items: flex-start;
            }}