*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box
        }
        :root {
            --bg: #07070a;
            --ink: #e8e6e1;
            --muted: #5a5766;
            --cyan: #00e5ff;
            --violet: #8b5cf6;
            --lime: #a3e635;
            --rose: #fb7185;
            --amber: #fbbf24;
            --glass: rgba(255, 255, 255, .03);
            --line: rgba(255, 255, 255, .06)
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            overflow-x: hidden
        }
        body {
            font-family: 'Space Grotesk', sans-serif;
            background: var(--bg);
            color: var(--ink);
            overflow-x: hidden;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased
        }
        ::selection {
            background: var(--cyan);
            color: var(--bg)
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .3s cubic-bezier(.22, 1, .36, 1)
        }
        ul,
        ol {
            list-style: none
        }
        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 clamp(20px, 4vw, 60px)
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: 'Syne', sans-serif;
            font-weight: 800;
            letter-spacing: -.02em
        }
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background: radial-gradient(ellipse 60% 50% at 80% 80%, rgba(163, 230, 53, .03), transparent), radial-gradient(ellipse 50% 60% at 15% 20%, rgba(0, 229, 255, .04), transparent)
        }

        /* 导航栏（与首页一致） */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            backdrop-filter: blur(24px) saturate(1.5);
            -webkit-backdrop-filter: blur(24px) saturate(1.5);
            border-bottom: 1px solid var(--line);
            background: rgba(7, 7, 10, .6)
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px
        }
        .logo {
            font-family: 'Syne', sans-serif;
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: .06em;
            background: linear-gradient(135deg, var(--cyan), var(--violet));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 28px
        }
        .nav-right a {
            font-size: .82rem;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: .02em
        }
        .nav-right a:hover {
            color: var(--ink)
        }
        .nav-right a.active {
            color: var(--cyan)
        }
        .nav-download {
            padding: 8px 20px;
            border-radius: 6px;
            border: 1px solid rgba(0, 229, 255, .3);
            color: var(--cyan) !important;
            font-weight: 600;
            font-size: .82rem;
            transition: all .3s ease
        }
        .nav-download:hover {
            background: rgba(0, 229, 255, .1);
            box-shadow: 0 0 20px rgba(0, 229, 255, .1)
        }
        .mobile-btn {
            display: none;
            background: none;
            border: none;
            color: var(--ink);
            font-size: 1.4rem;
            cursor: pointer
        }

        /* 面包屑 */
        .breadcrumb {
            position: relative;
            z-index: 1;
            padding: 84px 0 0;
            font-family: 'DM Mono', monospace;
            font-size: .78rem;
            color: var(--muted)
        }
        .breadcrumb a {
            color: var(--muted)
        }
        .breadcrumb a:hover {
            color: var(--cyan)
        }
        .breadcrumb .sep {
            margin: 0 8px;
            opacity: .4
        }

        /* 教程Hero */
        .guide-hero {
            position: relative;
            z-index: 1;
            padding: clamp(32px, 5vh, 56px) 0 clamp(40px, 6vh, 72px)
        }
        .guide-hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: clamp(32px, 5vw, 80px);
            align-items: center
        }
        .guide-hero-text .overline {
            font-family: 'DM Mono', monospace;
            font-size: .78rem;
            font-weight: 400;
            color: var(--cyan);
            letter-spacing: .2em;
            text-transform: uppercase;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px
        }
        .guide-hero-text .overline::before {
            content: '';
            width: 32px;
            height: 1px;
            background: var(--cyan)
        }
        .guide-hero-text h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.8rem);
            line-height: 1.05;
            margin-bottom: 16px
        }
        .guide-hero-text h1 .grad {
            background: linear-gradient(90deg, var(--cyan), var(--violet));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text
        }
        .guide-hero-text p {
            color: var(--muted);
            font-size: 1rem;
            max-width: 460px;
            line-height: 1.8;
            margin-bottom: 28px
        }
        .guide-quick {
            display: flex;
            gap: 12px;
            flex-wrap: wrap
        }
        .guide-quick a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid var(--line);
            font-size: .85rem;
            font-weight: 500;
            color: var(--muted);
            transition: all .3s ease
        }
        .guide-quick a:hover {
            border-color: rgba(0, 229, 255, .3);
            color: var(--cyan);
            background: rgba(0, 229, 255, .04);
            transform: translateY(-2px)
        }
        .guide-quick a .qk-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0
        }
        .guide-quick a .qk-dot.w {
            background: var(--cyan)
        }
        .guide-quick a .qk-dot.m {
            background: var(--violet)
        }
        .guide-quick a .qk-dot.i {
            background: var(--lime)
        }
        .guide-quick a .qk-dot.a {
            background: var(--rose)
        }

        .guide-hero-visual {
            position: relative
        }
        .guide-flow {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 10px
        }
        .gflow-step {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 18px;
            border-radius: 12px;
            background: var(--glass);
            border: 1px solid var(--line);
            transition: all .4s ease;
            opacity: 0;
            transform: translateX(30px);
            animation: gflowIn .6s ease forwards
        }
        .gflow-step:nth-child(1) {
            animation-delay: .3s
        }
        .gflow-step:nth-child(2) {
            animation-delay: .45s
        }
        .gflow-step:nth-child(3) {
            animation-delay: .6s
        }
        .gflow-step:nth-child(4) {
            animation-delay: .75s
        }
        .gflow-step:nth-child(5) {
            animation-delay: .9s
        }
        @keyframes gflowIn {
            to {
                opacity: 1;
                transform: translateX(0)
            }
        }
        .gflow-step:hover {
            border-color: rgba(0, 229, 255, .15);
            background: rgba(0, 229, 255, .03);
            transform: translateX(6px)
        }
        .gflow-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Syne', sans-serif;
            font-size: .85rem;
            font-weight: 800;
            flex-shrink: 0;
            border: 1px solid rgba(255, 255, 255, .06)
        }
        .gflow-num.n1 {
            background: rgba(0, 229, 255, .1);
            color: var(--cyan)
        }
        .gflow-num.n2 {
            background: rgba(139, 92, 246, .1);
            color: var(--violet)
        }
        .gflow-num.n3 {
            background: rgba(163, 230, 53, .1);
            color: var(--lime)
        }
        .gflow-num.n4 {
            background: rgba(251, 191, 36, .1);
            color: var(--amber)
        }
        .gflow-num.n5 {
            background: rgba(251, 113, 133, .1);
            color: var(--rose)
        }
        .gflow-text {
            flex: 1
        }
        .gflow-text .t {
            font-weight: 600;
            font-size: .88rem
        }
        .gflow-text .d {
            font-size: .75rem;
            color: var(--muted);
            margin-top: 2px
        }
        .gflow-arr {
            color: var(--muted);
            opacity: .3;
            flex-shrink: 0
        }
        .gflow-connector {
            width: 2px;
            height: 10px;
            background: var(--line);
            margin-left: 35px;
            border-radius: 1px
        }

        /* 平台标签页 */
        .platform-tabs {
            position: sticky;
            top: 60px;
            z-index: 100;
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            background: rgba(7, 7, 10, .85);
            border-bottom: 1px solid var(--line);
            margin-bottom: clamp(40px, 5vh, 72px)
        }
        .tabs-inner {
            display: flex;
            gap: 0;
            overflow-x: auto;
            scrollbar-width: none
        }
        .tabs-inner::-webkit-scrollbar {
            display: none
        }
        .tab-btn {
            flex-shrink: 0;
            padding: 16px 28px;
            font-family: 'Space Grotesk', sans-serif;
            font-size: .88rem;
            font-weight: 500;
            color: var(--muted);
            background: none;
            border: none;
            cursor: pointer;
            position: relative;
            transition: all .3s ease;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px
        }
        .tab-btn::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            right: 20%;
            height: 2px;
            background: var(--cyan);
            border-radius: 1px;
            transform: scaleX(0);
            transition: transform .3s ease
        }
        .tab-btn:hover {
            color: var(--ink)
        }
        .tab-btn.active {
            color: var(--cyan)
        }
        .tab-btn.active::after {
            transform: scaleX(1)
        }
        .tab-btn .tab-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%
        }

        /* 主体布局 */
        .guide-body {
            position: relative;
            z-index: 1;
            padding-bottom: clamp(60px, 8vh, 100px)
        }
        .guide-body-inner {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: clamp(32px, 4vw, 64px);
            align-items: start
        }
        .side-nav {
            position: sticky;
            top: 120px
        }
        .side-nav-list {
            display: flex;
            flex-direction: column;
            gap: 2px
        }
        .side-nav-item {
            padding: 10px 16px;
            border-radius: 8px;
            font-size: .82rem;
            color: var(--muted);
            cursor: pointer;
            border-left: 2px solid transparent;
            transition: all .3s ease;
            display: flex;
            align-items: center;
            gap: 10px
        }
        .side-nav-item:hover {
            color: var(--ink);
            background: rgba(255, 255, 255, .02)
        }
        .side-nav-item.active {
            color: var(--cyan);
            border-left-color: var(--cyan);
            background: rgba(0, 229, 255, .04)
        }
        .side-nav-item .sn-num {
            font-family: 'DM Mono', monospace;
            font-size: .72rem;
            opacity: .5;
            width: 20px;
            flex-shrink: 0
        }
        .guide-content {
            min-width: 0
        }

        /* 教程章节 */
        .guide-section {
            margin-bottom: clamp(48px, 6vh, 80px)
        }
        .guide-section-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px
        }
        .gs-num {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Syne', sans-serif;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
            border: 1px solid rgba(255, 255, 255, .06)
        }
        .gs-num.sn1 {
            background: rgba(0, 229, 255, .08);
            color: var(--cyan);
            border-color: rgba(0, 229, 255, .15)
        }
        .gs-num.sn2 {
            background: rgba(139, 92, 246, .08);
            color: var(--violet);
            border-color: rgba(139, 92, 246, .15)
        }
        .gs-num.sn3 {
            background: rgba(163, 230, 53, .08);
            color: var(--lime);
            border-color: rgba(163, 230, 53, .15)
        }
        .gs-num.sn4 {
            background: rgba(251, 191, 36, .08);
            color: var(--amber);
            border-color: rgba(251, 191, 36, .15)
        }
        .gs-num.sn5 {
            background: rgba(251, 113, 133, .08);
            color: var(--rose);
            border-color: rgba(251, 113, 133, .15)
        }
        .gs-num.sn6 {
            background: rgba(0, 229, 255, .08);
            color: var(--cyan);
            border-color: rgba(0, 229, 255, .15)
        }
        .guide-section-head h2 {
            font-size: clamp(1.3rem, 2.5vw, 1.7rem);
            line-height: 1.2
        }

        .step-card {
            border-radius: 16px;
            border: 1px solid var(--line);
            background: var(--glass);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all .3s ease
        }
        .step-card:hover {
            border-color: rgba(255, 255, 255, .08)
        }
        .step-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            user-select: none;
            transition: background .2s ease
        }
        .step-header:hover {
            background: rgba(255, 255, 255, .02)
        }
        .step-header-left {
            display: flex;
            align-items: center;
            gap: 14px
        }
        .step-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0
        }
        .step-dot.c1 {
            background: var(--cyan)
        }
        .step-dot.c2 {
            background: var(--violet)
        }
        .step-dot.c3 {
            background: var(--lime)
        }
        .step-dot.c4 {
            background: var(--amber)
        }
        .step-dot.c5 {
            background: var(--rose)
        }
        .step-header-left .sh-title {
            font-weight: 600;
            font-size: .95rem
        }
        .step-header-left .sh-brief {
            font-size: .82rem;
            color: var(--muted);
            margin-left: 12px
        }
        .step-toggle {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .03);
            border: 1px solid var(--line);
            transition: all .3s ease;
            flex-shrink: 0
        }
        .step-toggle svg {
            transition: transform .3s ease
        }
        .step-card.open .step-toggle svg {
            transform: rotate(180deg)
        }
        .step-card.open .step-toggle {
            background: rgba(0, 229, 255, .08);
            border-color: rgba(0, 229, 255, .2)
        }
        .step-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s cubic-bezier(.22, 1, .36, 1)
        }
        .step-card.open .step-body {
            max-height: 800px
        }
        .step-body-inner {
            padding: 0 24px 24px;
            border-top: 1px solid var(--line)
        }
        .step-body-inner p {
            color: var(--muted);
            font-size: .9rem;
            line-height: 1.8;
            margin-top: 18px
        }
        .step-body-inner ol {
            margin-top: 18px;
            counter-reset: substep;
            display: flex;
            flex-direction: column;
            gap: 12px
        }
        .step-body-inner ol li {
            counter-increment: substep;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.7
        }
        .step-body-inner ol li::before {
            content: counter(substep);
            font-family: 'DM Mono', monospace;
            font-size: .72rem;
            font-weight: 500;
            width: 22px;
            height: 22px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .06);
            color: var(--ink);
            flex-shrink: 0;
            margin-top: 1px
        }
        .step-body-inner code {
            font-family: 'DM Mono', monospace;
            font-size: .82rem;
            padding: 2px 8px;
            border-radius: 4px;
            background: rgba(0, 229, 255, .06);
            border: 1px solid rgba(0, 229, 255, .1);
            color: var(--cyan)
        }

        .tip-box {
            margin-top: 16px;
            padding: 14px 18px;
            border-radius: 10px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: .85rem;
            line-height: 1.7
        }
        .tip-box.info {
            background: rgba(0, 229, 255, .04);
            border: 1px solid rgba(0, 229, 255, .1);
            color: rgba(0, 229, 255, .8)
        }
        .tip-box.warn {
            background: rgba(251, 191, 36, .04);
            border: 1px solid rgba(251, 191, 36, .1);
            color: rgba(251, 191, 36, .8)
        }
        .tip-box.success {
            background: rgba(163, 230, 53, .04);
            border: 1px solid rgba(163, 230, 53, .1);
            color: rgba(163, 230, 53, .8)
        }
        .tip-box .tip-icon {
            flex-shrink: 0;
            margin-top: 1px;
            font-size: 1rem
        }

        .img-placeholder {
            margin-top: 16px;
            border-radius: 12px;
            border: 1px dashed rgba(255, 255, 255, .08);
            background: rgba(255, 255, 255, .01);
            padding: clamp(24px, 3vw, 40px);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            color: var(--muted);
            font-size: .82rem;
            font-family: 'DM Mono', monospace
        }

        /* FAQ链接 */
        .faq-link {
            position: relative;
            z-index: 1;
            padding: clamp(60px, 8vh, 100px) 0
        }
        .faq-link-inner {
            border-radius: 20px;
            border: 1px solid var(--line);
            background: var(--glass);
            padding: clamp(40px, 5vw, 64px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden
        }
        .faq-link-inner::before {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 229, 255, .05), transparent 60%);
            pointer-events: none
        }
        .faq-link-inner h3 {
            font-size: clamp(1.3rem, 2.5vw, 1.8rem);
            line-height: 1.2
        }
        .faq-link-inner p {
            color: var(--muted);
            font-size: .92rem;
            margin-top: 8px
        }
        .faq-link-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 8px;
            background: var(--cyan);
            color: var(--bg);
            font-weight: 700;
            font-size: .9rem;
            font-family: 'Space Grotesk', sans-serif;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all .3s ease
        }
        .btn-glow::before {
            content: '';
            position: absolute;
            inset: -2px;
            background: linear-gradient(135deg, var(--cyan), var(--violet));
            border-radius: 10px;
            z-index: -1;
            opacity: 0;
            filter: blur(12px);
            transition: opacity .4s ease
        }
        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(0, 229, 255, .25)
        }
        .btn-glow:hover::before {
            opacity: 1
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--line);
            color: var(--ink);
            font-weight: 600;
            font-size: .9rem;
            font-family: 'Space Grotesk', sans-serif;
            cursor: pointer;
            transition: all .3s ease
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, .15);
            background: rgba(255, 255, 255, .03);
            transform: translateY(-2px)
        }

        /* 页脚 */
        .footer {
            position: relative;
            z-index: 1;
            border-top: 1px solid var(--line);
            padding: 60px 0 28px
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.5fr 1fr 1fr 1fr;
            gap: clamp(24px, 4vw, 60px);
            margin-bottom: 48px
        }
        .footer-brand p {
            color: var(--muted);
            font-size: .88rem;
            max-width: 280px;
            line-height: 1.7;
            margin-top: 14px
        }
        .footer-col h4 {
            font-family: 'DM Mono', monospace;
            font-size: .75rem;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 18px;
            letter-spacing: .1em;
            text-transform: uppercase
        }
        .footer-col li {
            margin-bottom: 10px
        }
        .footer-col a {
            color: var(--muted);
            font-size: .88rem;
            transition: all .3s ease
        }
        .footer-col a:hover {
            color: var(--cyan);
            padding-left: 4px
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .04);
            font-size: .78rem;
            color: var(--muted);
            font-family: 'DM Mono', monospace
        }

        .back-top {
            position: fixed;
            bottom: 32px;
            right: 32px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--glass);
            border: 1px solid var(--line);
            backdrop-filter: blur(12px);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            z-index: 998;
            opacity: 0;
            transform: translateY(16px);
            transition: all .3s ease;
            pointer-events: none
        }
        .back-top.show {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto
        }
        .back-top:hover {
            border-color: rgba(0, 229, 255, .3);
            background: rgba(0, 229, 255, .06)
        }

        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all .7s cubic-bezier(.22, 1, .36, 1)
        }
        .reveal.show {
            opacity: 1;
            transform: translateY(0)
        }
        .reveal-d1 {
            transition-delay: .1s
        }
        .reveal-d2 {
            transition-delay: .2s
        }
        .reveal-d3 {
            transition-delay: .3s
        }

        @media(max-width:1024px) {
            .guide-hero-inner {
                grid-template-columns: 1fr
            }
            .guide-flow {
                max-width: 480px
            }
            .guide-body-inner {
                grid-template-columns: 1fr
            }
            .side-nav {
                display: none
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr
            }
        }
        @media(max-width:768px) {
            .nav-right a:not(.nav-download) {
                display: none
            }
            .mobile-btn {
                display: block
            }
            .footer-grid {
                grid-template-columns: 1fr
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center
            }
            .faq-link-inner {
                flex-direction: column;
                text-align: center
            }
            .faq-link-actions {
                justify-content: center
            }
            .step-header-left .sh-brief {
                display: none
            }
            .back-top {
                bottom: 20px;
                right: 20px
            }
        }