:root {
            --blue-deep: #0a1628;
            --blue-dark: #0d2044;
            --blue-mid: #1a3a6b;
            --blue-accent: #2563eb;
            --blue-light: #3b82f6;
            --blue-bright: #60a5fa;
            --blue-glow: #93c5fd;
            --cyan: #06b6d4;
            --cyan-light: #67e8f9;
            --white: #ffffff;
            --gray-100: #f0f6ff;
            --gray-200: #dbeafe;
            --gray-400: #94a3b8;
            --gray-600: #475569;
            --sidebar-w: 260px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        /* Iconify icon helper (used to replace legacy emoji throughout docs) */
        iconify-icon { display: inline-block; vertical-align: -0.18em; line-height: 1; }

        .rate-old {
            text-decoration-line: line-through;
            text-decoration-color: #ef2b2b;
            text-decoration-thickness: 0.08em;
            text-decoration-skip-ink: none;
        }

        .rate-price {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            white-space: nowrap;
        }

        .rate-price .rate-old {
            color: var(--gray-400);
            font-size: 0.9em;
        }

        .rate-new {
            color: var(--cyan-light);
            font-weight: 800;
        }

        body {
            font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            background: var(--blue-deep);
            color: var(--white);
            overflow-x: hidden;
        }

        ::-webkit-scrollbar { width: 5px; }
        ::-webkit-scrollbar-track { background: var(--blue-dark); }
        ::-webkit-scrollbar-thumb { background: var(--blue-accent); border-radius: 3px; }

        /* ── 顶部 header ── */
        .doc-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            height: 56px;
            background: rgba(10,22,40,0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(37,99,235,0.18);
            z-index: 200;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
        }

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

        .header-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .header-logo img {
            height: 28px;
            width: 28px;
            min-width: 28px;
            flex-shrink: 0;
            border-radius: 7px;
            object-fit: cover;
        }

        .header-logo-text {
            font-size: 15px;
            font-weight: 700;
            background: linear-gradient(90deg,#e2e8f0 20%,#67e8f9 40%,#fff 55%,#818cf8 70%,#e2e8f0 90%);
            background-size: 200% auto;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: logoShine 3s linear infinite;
            white-space: nowrap;
        }

        @keyframes logoShine {
            0%   { background-position: 200% center; }
            100% { background-position: -200% center; }
        }

        .header-sep {
            width: 1px;
            height: 18px;
            background: rgba(255,255,255,0.12);
        }

        .header-doc-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--cyan-light);
            letter-spacing: 0.04em;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .header-btn {
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 7px;
            cursor: pointer;
            text-decoration: none;
            border: none;
            transition: all 0.2s;
        }

        .header-btn-ghost {
            background: transparent;
            border: 1px solid rgba(96,165,250,0.3);
            color: var(--blue-glow);
        }

        .header-btn-ghost:hover {
            background: rgba(37,99,235,0.12);
            border-color: var(--blue-light);
        }

        .header-btn-solid {
            background: linear-gradient(135deg,#f97316,#eab308);
            color: var(--white);
            box-shadow: 0 2px 10px rgba(249,115,22,0.35);
        }

        .header-btn-solid:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(249,115,22,0.45);
        }

        /* ── 布局 ── */
        .doc-layout {
            display: flex;
            padding-top: 56px;
            min-height: 100vh;
        }

        /* ── 左侧导航 ── */
        .doc-sidebar {
            width: var(--sidebar-w);
            flex-shrink: 0;
            position: fixed;
            top: 56px;
            left: 0;
            bottom: 0;
            overflow-y: auto;
            background: var(--blue-dark);
            border-right: 1px solid rgba(37,99,235,0.12);
            padding: 24px 0 40px;
        }

        .sidebar-group {
            margin-bottom: 8px;
        }

        .sidebar-group-label {
            font-size: 10px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--gray-400);
            text-transform: uppercase;
            padding: 10px 20px 6px;
        }

        .sidebar-link {
            display: flex;
            align-items: center;
            gap: 9px;
            padding: 8px 20px;
            font-size: 13.5px;
            color: var(--gray-400);
            text-decoration: none;
            border-radius: 0;
            transition: color 0.2s, background 0.2s;
            border-left: 2px solid transparent;
            cursor: pointer;
            position: relative;
        }

        .sidebar-link:hover {
            color: var(--white);
            background: rgba(37,99,235,0.08);
        }

        .sidebar-link.active {
            color: var(--cyan-light);
            background: rgba(6,182,212,0.08);
            border-left-color: var(--cyan);
            font-weight: 600;
        }

        .sidebar-link .link-icon {
            font-size: 15px;
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .sidebar-badge {
            margin-left: auto;
            font-size: 9px;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 4px;
            background: rgba(16,185,129,0.2);
            color: #6ee7b7;
        }

        /* ── 主内容区 ── */
        .doc-content {
            margin-left: var(--sidebar-w);
            flex: 1;
            padding: 48px 56px 80px;
            width: calc(100% - var(--sidebar-w));
            min-height: calc(100vh - 56px);
        }

        /* ── Hero ── */
        .doc-hero {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            margin-bottom: 48px;
            padding: 40px;
            background: linear-gradient(135deg,rgba(37,99,235,0.1),rgba(6,182,212,0.06));
            border: 1px solid rgba(37,99,235,0.2);
            border-radius: 20px;
            position: relative;
            overflow: hidden;
        }

        .doc-hero::before {
            content: '';
            position: absolute;
            top: -60px; right: -60px;
            width: 220px; height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle,rgba(6,182,212,0.12),transparent 70%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(6,182,212,0.12);
            border: 1px solid rgba(6,182,212,0.3);
            color: var(--cyan-light);
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 100px;
            margin-bottom: 14px;
        }

        .badge-dot {
            width: 5px; height: 5px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 6px var(--cyan);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,100% { opacity:1; transform:scale(1); }
            50%      { opacity:0.6; transform:scale(1.3); }
        }

        .doc-hero h1 {
            font-size: 28px;
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
        }

        .doc-hero h1 span {
            background: linear-gradient(135deg,var(--blue-light),var(--cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .doc-hero p {
            color: var(--gray-400);
            font-size: 15px;
            line-height: 1.75;
            max-width: 460px;
            margin-bottom: 24px;
        }

        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-btn-primary {
            background: linear-gradient(135deg,var(--blue-accent),#1d4ed8);
            color: var(--white);
            border: none;
            padding: 10px 24px;
            border-radius: 9px;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 16px rgba(37,99,235,0.4);
        }

        .hero-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37,99,235,0.55);
        }

        .hero-btn-secondary {
            background: transparent;
            color: var(--blue-glow);
            border: 1px solid rgba(96,165,250,0.35);
            padding: 10px 24px;
            border-radius: 9px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            display: inline-block;
            transition: all 0.2s;
        }

        .hero-btn-secondary:hover {
            background: rgba(37,99,235,0.1);
            border-color: var(--blue-light);
            transform: translateY(-2px);
        }

        .hero-logo-big {
            width: 90px;
            height: 90px;
            border-radius: 20px;
            object-fit: cover;
            flex-shrink: 0;
            box-shadow: 0 8px 32px rgba(37,99,235,0.3);
        }

        /* ── 快速导航卡片 ── */
        .section-title {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.3px;
            margin-bottom: 6px;
        }

        .section-sub {
            color: var(--gray-400);
            font-size: 14px;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .nav-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 48px;
        }

        .nav-card {
            background: rgba(255,255,255,0.025);
            border: 1px solid rgba(37,99,235,0.18);
            border-radius: 14px;
            padding: 22px 22px;
            text-decoration: none;
            color: inherit;
            transition: transform 0.25s, border-color 0.25s, background 0.25s, box-shadow 0.25s;
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
        }

        .nav-card:hover {
            transform: translateY(-4px);
            border-color: rgba(37,99,235,0.45);
            background: rgba(37,99,235,0.07);
            box-shadow: 0 12px 32px rgba(37,99,235,0.18);
        }

        .nav-card-icon {
            font-size: 28px;
            margin-bottom: 4px;
        }

        .nav-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
        }

        .nav-card-desc {
            font-size: 13px;
            color: var(--gray-400);
            line-height: 1.55;
        }

        .nav-card-action {
            margin-top: auto;
            font-size: 12px;
            color: var(--cyan);
            font-weight: 600;
        }

        /* ── 接入步骤 ── */
        .steps-flow {
            display: flex;
            flex-direction: column;
            gap: 0;
            margin-bottom: 48px;
            border: 1px solid rgba(37,99,235,0.15);
            border-radius: 16px;
            overflow: hidden;
        }

        .step-row {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 22px 24px;
            border-bottom: 1px solid rgba(37,99,235,0.1);
            transition: background 0.2s;
        }

        .step-row:last-child { border-bottom: none; }
        .step-row:hover { background: rgba(37,99,235,0.05); }

        .step-num-badge {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(37,99,235,0.2);
            border: 1px solid rgba(37,99,235,0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            color: var(--blue-bright);
            flex-shrink: 0;
        }

        .step-body { flex: 1; }

        .step-body-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-body-desc {
            font-size: 13px;
            color: var(--gray-400);
            line-height: 1.65;
        }

        .step-code {
            display: inline-block;
            background: rgba(6,182,212,0.1);
            border: 1px solid rgba(6,182,212,0.2);
            color: var(--cyan-light);
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 12px;
            padding: 3px 9px;
            border-radius: 5px;
            margin-top: 6px;
        }

        .step-tag {
            margin-left: 4px;
            font-size: 11px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
            background: rgba(16,185,129,0.15);
            color: #6ee7b7;
            vertical-align: middle;
        }

        /* ── 工具兼容卡片 ── */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-bottom: 48px;
        }

        .tool-card {
            background: rgba(255,255,255,0.025);
            border: 1px solid rgba(37,99,235,0.15);
            border-radius: 12px;
            padding: 16px 18px;
            text-decoration: none;
            color: inherit;
            transition: all 0.25s;
            cursor: pointer;
        }

        .tool-card:hover {
            border-color: rgba(37,99,235,0.4);
            background: rgba(37,99,235,0.07);
            transform: translateY(-3px);
        }

        .tool-card-icon { font-size: 22px; margin-bottom: 8px; }
        .tool-card-name { font-size: 14px; font-weight: 700; margin-bottom: 3px; }
        .tool-card-tip  { font-size: 12px; color: var(--gray-400); }

        /* ── 模型厂商 ── */
        .vendors-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 48px;
        }

        .vendor-chip {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(37,99,235,0.18);
            border-radius: 100px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gray-200);
            display: flex;
            align-items: center;
            gap: 7px;
            transition: all 0.2s;
        }

        .vendor-chip:hover {
            border-color: var(--blue-light);
            color: var(--white);
            background: rgba(37,99,235,0.1);
        }

        /* ── 提示框 ── */
        .tip-box {
            border-radius: 12px;
            padding: 16px 20px;
            margin: 24px 0;
            display: flex;
            gap: 12px;
            font-size: 14px;
            line-height: 1.7;
        }

        .tip-box.info {
            background: rgba(37,99,235,0.1);
            border: 1px solid rgba(37,99,235,0.25);
            color: var(--blue-glow);
        }

        .tip-box.success {
            background: rgba(16,185,129,0.08);
            border: 1px solid rgba(16,185,129,0.25);
            color: #86efac;
        }

        .tip-box.warning {
            background: rgba(245,158,11,0.08);
            border: 1px solid rgba(245,158,11,0.25);
            color: #fcd34d;
        }

        .tip-icon { font-size: 18px; flex-shrink: 0; margin-top: 1px; }

        /* ── 分隔线 ── */
        .doc-divider {
            height: 1px;
            background: rgba(37,99,235,0.1);
            margin: 40px 0;
        }

        /* ── 底部面包屑 ── */
        .doc-footer-nav {
            display: flex;
            justify-content: flex-end;
            margin-top: 56px;
            padding-top: 24px;
            border-top: 1px solid rgba(37,99,235,0.1);
        }

        .doc-next-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(37,99,235,0.08);
            border: 1px solid rgba(37,99,235,0.2);
            border-radius: 12px;
            padding: 14px 22px;
            text-decoration: none;
            color: var(--white);
            transition: all 0.25s;
        }

        .doc-next-btn:hover {
            background: rgba(37,99,235,0.15);
            border-color: rgba(37,99,235,0.4);
            transform: translateX(4px);
        }

        .doc-next-label { font-size: 11px; color: var(--gray-400); }
        .doc-next-title { font-size: 14px; font-weight: 700; }

        /* ── 移动端汉堡 ── */
        .sidebar-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 20px;
            cursor: pointer;
            padding: 4px 8px;
        }

        @media (max-width: 1024px) {
            /* 顶部 header 平板/移动端瘦身:隐藏长品牌字、压缩按钮,防止 flex 把中文压成竖排 */
            .doc-header { padding: 0 12px; gap: 8px; }
            .header-left { gap: 8px; min-width: 0; flex: 1 1 auto; }
            .header-logo { flex-shrink: 0; }
            .header-logo-text { display: none; }
            .header-sep { display: none; }
            .header-doc-label {
                font-size: 12px;
                white-space: nowrap;
                flex-shrink: 0;
            }
            .header-right { gap: 6px; flex-shrink: 0; }
            .header-btn {
                padding: 6px 10px;
                font-size: 12px;
                white-space: nowrap;
            }
        }

        /* 平板专属:在 641-1024 之间收窄侧栏,内容内边距更紧凑 */
        @media (max-width: 1024px) and (min-width: 641px) {
            :root { --sidebar-w: 220px; }
            .doc-content { padding: 32px 28px 60px; }
            .nav-cards { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 640px) {
            .doc-sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s;
                z-index: 100;
            }
            .doc-sidebar.open {
                transform: translateX(0);
            }
            .sidebar-toggle { display: block; }
            .doc-content { margin-left: 0; padding: 24px 20px 60px; }
            .nav-cards { grid-template-columns: 1fr; }
            .tools-grid { grid-template-columns: repeat(2,1fr); }
            .doc-hero { flex-direction: column; }
            .hero-logo-big { width: 64px; height: 64px; }
        }

        @media (max-width: 420px) {
            /* 极窄屏：进一步精简，只保留汉堡 + 图标 + 文档标签 + 商城按钮 */
            .header-doc-label { display: none; }
            .header-btn-ghost { display: none; }
            .header-btn { padding: 6px 8px; font-size: 11px; }
        }

        /* ── 章节通用 ── */
        .doc-section {
            scroll-margin-top: 72px;
            margin-top: 56px;
        }
        .doc-section .section-title {
            font-size: 24px;
        }

        /* ── 代码块 + tab ── */
        .code-tabs {
            display: flex;
            gap: 4px;
            margin-top: 16px;
            border-bottom: 1px solid rgba(37,99,235,0.18);
        }
        .lang-tab {
            background: none;
            border: none;
            color: var(--gray-400);
            padding: 8px 14px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            border-bottom: 2px solid transparent;
            margin-bottom: -1px;
            transition: color 0.2s, border-color 0.2s;
        }
        .lang-tab:hover { color: var(--blue-glow); }
        .lang-tab.active {
            color: var(--cyan-light);
            border-bottom-color: var(--cyan);
        }
        .code-block {
            background: rgba(2,8,23,0.7);
            border: 1px solid rgba(37,99,235,0.15);
            border-top: none;
            border-radius: 0 0 10px 10px;
            padding: 16px 18px;
            font-family: 'SF Mono', Consolas, 'Liberation Mono', monospace;
            font-size: 12.5px;
            line-height: 1.7;
            color: #cbd5e1;
            overflow-x: auto;
            white-space: pre;
            margin-bottom: 16px;
        }
        .code-block .k { color: #93c5fd; }
        .code-block .s { color: #86efac; }
        .code-block .c { color: #64748b; font-style: italic; }
        .code-block .v { color: #fcd34d; }
        .code-pane { display: none; }
        .code-pane.active { display: block; }

        /* ── 表格 ── */
        .doc-table {
            width: 100%;
            border-collapse: collapse;
            margin: 16px 0 24px;
            font-size: 13px;
            background: rgba(255,255,255,0.02);
            border: 1px solid rgba(37,99,235,0.18);
            border-radius: 12px;
            overflow: hidden;
        }
        .doc-table thead th {
            background: rgba(37,99,235,0.12);
            color: var(--blue-glow);
            font-weight: 700;
            text-align: left;
            padding: 10px 14px;
            font-size: 12px;
            letter-spacing: 0.3px;
            border-bottom: 1px solid rgba(37,99,235,0.25);
        }
        .doc-table tbody td {
            padding: 10px 14px;
            border-bottom: 1px solid rgba(37,99,235,0.08);
            color: var(--gray-200);
            vertical-align: top;
        }
        .doc-table tbody tr:last-child td { border-bottom: none; }
        .doc-table tbody tr:hover { background: rgba(37,99,235,0.05); }
        .doc-table code {
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 12px;
            color: var(--cyan-light);
            background: rgba(6,182,212,0.08);
            padding: 1px 6px;
            border-radius: 4px;
        }
        /* 宽表格包裹层：任意宽度下表格超宽时在容器内横向滚动，避免撑破整页；
           文字多、可换行的表格会自动收缩贴合宽度、不出现滚动条 */
        .doc-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            max-width: 100%;
        }

        /* ── FAQ ── */
        .faq-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
        .faq-item {
            background: rgba(255,255,255,0.028);
            border: 1px solid rgba(37,99,235,0.18);
            border-radius: 12px;
            overflow: hidden;
        }
        .faq-q {
            min-height: 64px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--white);
            display: grid;
            grid-template-columns: minmax(0, 1fr) 24px;
            gap: 16px;
            align-items: center;
            user-select: none;
            transition: background 0.2s;
        }
        .faq-q:hover { background: rgba(37,99,235,0.07); }
        .faq-q:has(.faq-tag) { grid-template-columns: minmax(0, 1fr) 104px 24px; }
        .faq-title {
            min-width: 0;
            overflow-wrap: anywhere;
        }
        .faq-tag {
            justify-self: end;
            width: 92px;
            padding: 5px 10px;
            border-radius: 999px;
            background: rgba(6,182,212,0.1);
            border: 1px solid rgba(6,182,212,0.22);
            color: var(--cyan-light);
            font-size: 12px;
            font-weight: 700;
            text-align: center;
            white-space: nowrap;
        }
        .faq-q::after {
            content: '+';
            font-size: 20px;
            color: var(--cyan);
            font-weight: 400;
            justify-self: end;
            transition: transform 0.2s;
        }
        .faq-item.open .faq-q::after { transform: rotate(45deg); }
        .faq-a {
            display: none;
            padding: 0 20px 18px;
            color: var(--gray-200);
            font-size: 13px;
            line-height: 1.85;
        }
        .faq-a code {
            white-space: normal;
            overflow-wrap: anywhere;
        }
        .faq-code-block {
            display: block;
            margin-top: 10px;
            padding: 10px 12px;
            border-radius: 8px;
            background: rgba(2, 6, 23, 0.48);
            border: 1px solid rgba(37,99,235,0.22);
            color: var(--cyan-light);
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 12px;
            line-height: 1.7;
            white-space: pre-wrap;
            overflow-wrap: anywhere;
        }
        .faq-item.open .faq-a { display: block; }
        @media (max-width: 640px) {
            .faq-q {
                grid-template-columns: minmax(0, 1fr) 24px;
                gap: 10px;
                padding: 14px 16px;
            }
            .faq-tag { display: none; }
            .faq-a { padding: 0 16px 16px; }
        }

        /* ── 价格卡 ── */
        .price-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin-bottom: 24px;
        }
        @media (max-width: 880px) { .price-cards { grid-template-columns: 1fr; } }
        .price-card {
            background: rgba(255,255,255,0.025);
            border: 1px solid rgba(37,99,235,0.2);
            border-radius: 14px;
            padding: 22px;
            position: relative;
            transition: all 0.25s;
        }
        .price-card:hover { transform: translateY(-3px); border-color: rgba(37,99,235,0.45); }
        .price-card.featured {
            border-color: rgba(245,158,11,0.4);
            background: linear-gradient(135deg, rgba(245,158,11,0.06), rgba(37,99,235,0.04));
        }
        .price-card .pc-tag {
            font-size: 11px;
            font-weight: 700;
            color: #fcd34d;
            background: rgba(245,158,11,0.15);
            border: 1px solid rgba(245,158,11,0.3);
            display: inline-block;
            padding: 2px 9px;
            border-radius: 100px;
            margin-bottom: 10px;
        }
        .price-card .pc-name { font-size: 13px; color: var(--gray-400); margin-bottom: 8px; font-weight: 600; }
        .price-card .pc-price { font-size: 28px; font-weight: 900; color: var(--white); }
        .price-card .pc-price sup { font-size: 16px; color: var(--gray-400); margin-right: 2px; }
        .price-card .pc-tokens { font-size: 13px; color: var(--cyan-light); font-weight: 700; margin-top: 6px; }
        .price-card .pc-desc { font-size: 12px; color: var(--gray-400); margin-top: 12px; line-height: 1.6; }

        /* ── env 配置盒子 ── */
        .env-block {
            background: rgba(2,8,23,0.6);
            border: 1px solid rgba(37,99,235,0.18);
            border-radius: 10px;
            padding: 14px 18px;
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 12.5px;
            line-height: 1.85;
            color: #cbd5e1;
            margin: 16px 0;
            overflow-x: auto;
        }
        .env-block .env-k { color: #93c5fd; }
        .env-block .env-v { color: #86efac; }

        /* ── 醒目折扣 badge ── */
        .discount-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
            padding: 2px 9px;
            border-radius: 100px;
            background: linear-gradient(135deg, #ef4444, #f97316);
            color: #ffffff;
            font-size: 10px;
            font-weight: 800;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 10px rgba(239,68,68,0.45);
            animation: discountPulse 1.6s ease-in-out infinite;
            vertical-align: middle;
            white-space: nowrap;
        }
        @keyframes discountPulse {
            0%, 100% { transform: scale(1); box-shadow: 0 2px 10px rgba(239,68,68,0.45); }
            50%      { transform: scale(1.08); box-shadow: 0 4px 16px rgba(249,115,22,0.65); }
        }

        /* 更强变体:蓝紫渐变 活动价=$ 折扣价 */
        .discount-badge.is-strong {
            background: linear-gradient(135deg, #7c3aed, #2563eb 60%, #06b6d4);
            box-shadow: 0 2px 10px rgba(124,58,237,0.5);
            animation: discountPulseStrong 1.6s ease-in-out infinite;
        }
        @keyframes discountPulseStrong {
            0%, 100% { transform: scale(1); box-shadow: 0 2px 10px rgba(124,58,237,0.5); }
            50%      { transform: scale(1.08); box-shadow: 0 4px 18px rgba(6,182,212,0.7); }
        }

        /* 极致变体:玫粉渐变 骨折价 */
        .discount-badge.is-fracture {
            background: linear-gradient(135deg, #f43f5e, #d946ef);
            box-shadow: 0 2px 10px rgba(244,63,94,0.5);
            animation: discountPulseFracture 1.4s ease-in-out infinite;
        }
        @keyframes discountPulseFracture {
            0%, 100% { transform: scale(1) rotate(-1deg); box-shadow: 0 2px 10px rgba(244,63,94,0.5); }
            50%      { transform: scale(1.1) rotate(1deg);  box-shadow: 0 4px 18px rgba(217,70,239,0.75); }
        }

        /* 旗舰款:金色渐变 全球顶级旗舰·强烈推荐 */
        .discount-badge.is-flagship {
            background: linear-gradient(135deg, #fef08a, #f59e0b 55%, #c2410c);
            color: #1a0a00;
            text-shadow: none;
            font-size: 11px;
            font-weight: 900;
            letter-spacing: 0.4px;
            padding: 3px 11px;
            box-shadow: 0 2px 10px rgba(234,88,12,0.5), inset 0 1px 0 rgba(255,255,255,0.55);
            animation: discountPulseFlagship 1.8s ease-in-out infinite;
            border: 1px solid rgba(120,53,15,0.4);
        }
        @keyframes discountPulseFlagship {
            0%, 100% { transform: scale(1); box-shadow: 0 2px 10px rgba(234,88,12,0.5), inset 0 1px 0 rgba(255,255,255,0.55), 0 0 0 0 rgba(253,224,71,0.55); }
            50%      { transform: scale(1.08); box-shadow: 0 4px 18px rgba(234,88,12,0.65), inset 0 1px 0 rgba(255,255,255,0.55), 0 0 0 4px rgba(253,224,71,0); }
        }

        /* 上新款:深色霓虹渐变,区别于常规折扣和金色旗舰标签 */
        .discount-badge.is-launch {
            background: linear-gradient(135deg, #111827 0%, #6d28d9 45%, #ec4899 100%);
            color: #fff7ed;
            text-shadow: 0 1px 6px rgba(236,72,153,0.5);
            font-size: 11px;
            font-weight: 900;
            letter-spacing: 0.45px;
            padding: 3px 12px;
            border: 1px solid rgba(250,204,21,0.8);
            box-shadow: 0 2px 12px rgba(109,40,217,0.5), 0 0 0 1px rgba(236,72,153,0.18) inset;
            animation: discountPulseLaunch 1.7s ease-in-out infinite;
        }
        @keyframes discountPulseLaunch {
            0%, 100% { transform: translateY(0) scale(1); box-shadow: 0 2px 12px rgba(109,40,217,0.5), 0 0 0 1px rgba(236,72,153,0.18) inset; }
            50%      { transform: translateY(-1px) scale(1.08); box-shadow: 0 5px 22px rgba(236,72,153,0.78), 0 0 0 1px rgba(250,204,21,0.5) inset; }
        }

        /* ============================================================
           docs.html 简介页 · 转化优化模块 (营销/信任建立)
           ============================================================ */

        /* ── 模块 ⑦ 限时促销横条 ── */
        .promo-banner {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 18px;
            margin-bottom: 20px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(244,63,94,0.14), rgba(245,158,11,0.10));
            border: 1px solid rgba(244,63,94,0.32);
            font-size: 13.5px;
            color: var(--white);
            flex-wrap: wrap;
        }
        .promo-banner .promo-icon {
            font-size: 20px;
            line-height: 1;
            flex-shrink: 0;
        }
        .promo-banner .promo-text { flex: 1; min-width: 200px; line-height: 1.6; }
        .promo-banner .promo-text strong {
            background: linear-gradient(90deg, #fcd34d, #f97316);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
        }
        .promo-banner .promo-cta {
            color: var(--cyan-light);
            text-decoration: none;
            font-weight: 700;
            padding: 6px 14px;
            border: 1px solid rgba(103,232,249,0.4);
            border-radius: 100px;
            font-size: 12.5px;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .promo-banner .promo-cta:hover {
            background: rgba(103,232,249,0.14);
            border-color: var(--cyan-light);
        }

        /* ── 模块 ③ 信任数据条（定性描述）── */
        .trust-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
            margin: 32px 0 8px;
        }
        .trust-stat {
            padding: 16px 18px;
            border-radius: 12px;
            background: rgba(2,8,23,0.45);
            border: 1px solid rgba(37,99,235,0.22);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .trust-stat .ts-label {
            font-size: 12px;
            color: var(--gray-400);
            letter-spacing: 0.04em;
        }
        .trust-stat .ts-value {
            font-size: 14.5px;
            font-weight: 800;
            color: var(--white);
            line-height: 1.4;
        }
        @media (max-width: 1080px) { .trust-stats { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 640px)  { .trust-stats { grid-template-columns: 1fr; } }

        /* ── 模块 ① 为什么选择我们 6 格优势卡 ── */
        .why-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 20px;
        }
        @media (max-width: 1080px) { .why-cards { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 640px)  { .why-cards { grid-template-columns: 1fr; } }

        .why-card {
            padding: 22px 20px 20px;
            border-radius: 14px;
            background: rgba(2,8,23,0.45);
            border: 1px solid rgba(37,99,235,0.22);
            transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
            position: relative;
        }
        .why-card:hover {
            transform: translateY(-3px);
            border-color: rgba(96,165,250,0.55);
            box-shadow: 0 12px 28px rgba(37,99,235,0.18);
        }
        .why-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(37,99,235,0.18), rgba(6,182,212,0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .why-card-title {
            font-size: 15.5px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 6px;
            letter-spacing: 0.2px;
        }
        .why-card-desc {
            font-size: 13px;
            color: var(--gray-400);
            line-height: 1.7;
        }

        /* ── 模块 ② 价格对比 / 使用场景卡（从 docs-pricing.html 同步抽取共享样式）── */
        .usage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
            margin: 20px 0 14px;
        }
        @media (max-width: 1080px) { .usage-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 640px)  { .usage-grid { grid-template-columns: 1fr; } }

        .usage-card {
            background: rgba(2,8,23,0.45);
            border: 1px solid rgba(37,99,235,0.2);
            border-radius: 14px;
            padding: 18px 18px 16px;
            transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
        }
        .usage-card:hover {
            transform: translateY(-3px);
            border-color: rgba(96,165,250,0.5);
            box-shadow: 0 10px 24px rgba(37,99,235,0.18);
        }
        .usage-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
        .usage-card-emoji { font-size: 22px; line-height: 1; }
        .usage-card-title { font-size: 14.5px; font-weight: 800; color: var(--white); }
        .usage-card-model {
            display: inline-block;
            font-family: 'SF Mono', Consolas, monospace;
            font-size: 11.5px;
            color: var(--cyan-light);
            background: rgba(6,182,212,0.12);
            border: 1px solid rgba(6,182,212,0.25);
            padding: 2px 8px;
            border-radius: 6px;
            margin-bottom: 10px;
        }
        .usage-card-row {
            display: flex;
            gap: 8px;
            font-size: 12.5px;
            margin-bottom: 4px;
            line-height: 1.6;
        }
        .usage-card-row .lbl { color: var(--gray-400); flex-shrink: 0; min-width: 56px; }
        .usage-card-row .val { color: var(--gray-200); }
        .usage-duration {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px dashed rgba(37,99,235,0.25);
        }
        .usage-duration .ud-amount { font-size: 12px; color: var(--gray-400); }
        .usage-duration .ud-time {
            font-size: 18px;
            font-weight: 900;
            background: linear-gradient(135deg, #facc15, #f97316);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.3px;
        }

        /* ── 模块 ④ 真实使用场景 3 卡 ── */
        .scenes-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 20px;
        }
        @media (max-width: 1080px) { .scenes-grid { grid-template-columns: 1fr; } }

        .scene-card {
            padding: 22px 22px 20px;
            border-radius: 14px;
            background: rgba(2,8,23,0.55);
            border: 1px solid rgba(37,99,235,0.22);
            position: relative;
            transition: transform 0.25s, border-color 0.25s;
        }
        .scene-card:hover {
            transform: translateY(-3px);
            border-color: rgba(96,165,250,0.5);
        }
        .scene-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 9px;
            border-radius: 100px;
            background: rgba(37,99,235,0.18);
            color: var(--blue-glow);
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }
        .scene-card-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 8px;
        }
        .scene-card-desc {
            font-size: 13px;
            color: var(--gray-400);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .scene-card-points {
            display: flex;
            flex-direction: column;
            gap: 6px;
            font-size: 12.5px;
            color: var(--gray-200);
        }
        .scene-card-points span::before {
            content: '✓';
            color: var(--cyan);
            font-weight: 900;
            margin-right: 6px;
        }

        /* ── 模块 ⑤ 典型用户场景 ── */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 20px;
        }
        @media (max-width: 1080px) { .testimonial-grid { grid-template-columns: 1fr; } }

        .testimonial-card {
            padding: 22px 22px 18px;
            border-radius: 14px;
            background: linear-gradient(180deg, rgba(37,99,235,0.06), rgba(6,182,212,0.03));
            border: 1px solid rgba(37,99,235,0.22);
            position: relative;
            display: flex;
            flex-direction: column;
            min-height: 268px;
        }
        .testimonial-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 22px;
            right: 22px;
            height: 2px;
            background: linear-gradient(90deg, rgba(6,182,212,0.95), rgba(37,99,235,0.16));
            pointer-events: none;
        }
        .testimonial-kicker {
            display: inline-flex;
            width: fit-content;
            max-width: 100%;
            padding: 4px 9px;
            border-radius: 999px;
            border: 1px solid rgba(6,182,212,0.28);
            background: rgba(6,182,212,0.08);
            color: var(--cyan-light);
            font-size: 11px;
            font-weight: 800;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .testimonial-quote {
            font-size: 13.5px;
            color: var(--gray-200);
            line-height: 1.75;
            position: relative;
            z-index: 1;
            margin-bottom: 12px;
        }
        .testimonial-points {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin: 0 0 14px;
            flex: 1;
        }
        .testimonial-points span {
            color: var(--gray-400);
            font-size: 12px;
            line-height: 1.5;
            padding-left: 14px;
            position: relative;
        }
        .testimonial-points span::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.62em;
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 8px rgba(6,182,212,0.7);
        }
        .testimonial-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 12px;
            border-top: 1px dashed rgba(37,99,235,0.25);
        }
        .testimonial-avatar {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            overflow: hidden;
            box-shadow: 0 14px 28px rgba(15, 23, 42, 0.16);
        }
        .testimonial-avatar img {
            width: 100%;
            height: 100%;
            display: block;
            object-fit: cover;
        }
        .testimonial-author { display: flex; flex-direction: column; }
        .testimonial-name { font-size: 13px; font-weight: 700; color: var(--white); }
        .testimonial-role { font-size: 11.5px; color: var(--gray-400); }

        /* ── 模块 ⑧ 底部强 CTA ── */
        .bottom-cta {
            margin: 40px 0 10px;
            padding: 40px 32px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(37,99,235,0.18), rgba(6,182,212,0.10) 60%, rgba(139,92,246,0.12));
            border: 1px solid rgba(96,165,250,0.32);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .bottom-cta::before {
            content: '';
            position: absolute;
            top: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(96,165,250,0.18), transparent 60%);
            pointer-events: none;
        }
        .bottom-cta-title {
            font-size: 26px;
            font-weight: 900;
            color: var(--white);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
            position: relative;
        }
        .bottom-cta-title span {
            background: linear-gradient(135deg, #60a5fa, #67e8f9 60%, #c4b5fd);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .bottom-cta-sub {
            font-size: 14px;
            color: var(--gray-200);
            margin-bottom: 24px;
            position: relative;
        }
        .bottom-cta-btns {
            display: inline-flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
        }
        .bottom-cta-btn-primary,
        .bottom-cta-btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 11px 24px;
            min-width: 150px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 700;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
            cursor: pointer;
            border: none;
        }
        .bottom-cta-btn-primary {
            background: linear-gradient(135deg, var(--blue-accent), var(--cyan));
            color: var(--white);
            box-shadow: 0 6px 18px rgba(37,99,235,0.35);
        }
        .bottom-cta-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(37,99,235,0.45); }
        .bottom-cta-btn-secondary {
            background: rgba(255,255,255,0.06);
            color: var(--white);
            border: 1px solid rgba(255,255,255,0.18);
        }
        .bottom-cta-btn-secondary:hover { background: rgba(255,255,255,0.12); transform: translateY(-2px); }

        /* ── 通用：用于模块 ② / ⑥ 末尾的「查看更多」链接 ── */
        .more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--cyan-light);
            font-size: 13px;
            font-weight: 600;
            text-decoration: none;
            margin-top: 4px;
        }
        .more-link:hover { color: var(--white); }

        /* ============================================================
           ▲▲▲ docs.html 简介页 · 转化优化模块 结束 ▲▲▲
           ============================================================ */