.homepage .zz-pdf-page {
            color: #162033;
            font-family: "Microsoft YaHei", Arial, sans-serif;
            background: #fff;
        }
        .homepage .zz-pdf-container {
            width: min(1180px, calc(100% - 32px));
            margin: 0 auto;
        }
        .homepage .zz-pdf-download-top {
            position: fixed;
            top: 0;
            left: 0;
            z-index: 10020;
            width: 100%;
            height: 76px;
            background: #fff;
            border-bottom: 1px solid rgba(35, 113, 243, 0.12);
            box-shadow: 0 12px 28px rgba(22, 32, 51, 0.08);
            transform: translateY(-100%);
            visibility: hidden;
            transition: transform 0.28s ease, visibility 0.28s ease;
            backdrop-filter: blur(10px);
        }
        .homepage .zz-pdf-download-top.show {
            transform: translateY(0);
            visibility: visible;
        }
        .homepage .zz-pdf-download-top .zz-pdf-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 14rem;
            max-width: 100%;
            height: 100%;
            gap: 20px;
        }
        .homepage .zz-pdf-download-logo {
            display: inline-flex;
            align-items: center;
            flex: 0 0 auto;
            text-decoration: none;
        }
        .homepage .zz-pdf-download-logo img {
            display: block;
            width: 3.62rem;
            height: auto;
        }
        .homepage .zz-pdf-download-right {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 18px;
            min-width: 0;
            margin-left: auto;
        }
        .homepage .zz-pdf-download-title {
            min-width: 0;
            text-align: right;
        }
        .homepage .zz-pdf-download-title strong {
            display: block;
            overflow: hidden;
            color: #13213a;
            font-size: 18px;
            font-weight: 800;
            line-height: 1.3;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .homepage .zz-pdf-download-title span {
            display: block;
            margin-top: 4px;
            color: #667387;
            font-size: 13px;
            line-height: 1.3;
        }
        .homepage .zz-pdf-download-top .zz-pdf-top-download-btn {
            min-width: 160px;
            height: 42px;
            padding: 0 20px;
            font-size: 15px;
            box-shadow: 0 10px 20px rgba(35, 113, 243, 0.18);
        }
        .homepage .zz-pdf-hero {
            position: relative;
            overflow: hidden;
            padding: 74px 0 68px;
            background:
                linear-gradient(135deg, rgba(235, 247, 255, 0.96) 0%, rgba(247, 251, 255, 0.98) 48%, rgba(255, 247, 231, 0.96) 100%);
        }
        .homepage .zz-pdf-hero:before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(28, 103, 214, 0.08) 1px, transparent 1px),
                linear-gradient(90deg, rgba(28, 103, 214, 0.08) 1px, transparent 1px);
            background-size: 44px 44px;
            opacity: 0.48;
        }
        .homepage .zz-pdf-hero .zz-pdf-container {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(460px, 560px);
            gap: 54px;
            align-items: center;
        }
        .homepage .zz-pdf-eyebrow {
            display: inline-flex;
            align-items: center;
            height: 34px;
            padding: 0 14px;
            border: 1px solid rgba(35, 113, 243, 0.18);
            border-radius: 999px;
            color: #2371F3;
            background: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            font-weight: 800;
        }
        .homepage .zz-pdf-hero h1 {
            margin: 22px 0 18px;
            color: #111b2e;
            font-size: 54px;
            line-height: 1.1;
            font-weight: 800;
            letter-spacing: 0;
        }
        .homepage .zz-pdf-hero p {
            max-width: 580px;
            color: #536177;
            font-size: 18px;
            line-height: 1.8;
        }
        .homepage .zz-pdf-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-top: 32px;
        }
        .homepage .zz-pdf-primary,
        .homepage .zz-pdf-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 168px;
            height: 50px;
            padding: 0 24px;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 800;
            text-decoration: none;
            white-space: nowrap;
        }
        .homepage .zz-pdf-primary {
            color: #fff;
            background: linear-gradient(135deg, #2371F3 0%, #4B8CFF 100%);
            box-shadow: 0 14px 26px rgba(35, 113, 243, 0.24);
        }
        .homepage .zz-pdf-primary:hover {
            color: #fff;
            transform: translateY(-2px);
        }
        .homepage .zz-pdf-secondary {
            color: #2371F3;
            border: 1px solid rgba(35, 113, 243, 0.24);
            background: #fff;
        }
        .homepage .zz-pdf-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 22px;
            color: #68758a;
            font-size: 14px;
        }
        .homepage .zz-pdf-meta span {
            padding: 7px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid rgba(112, 129, 153, 0.14);
        }
        .homepage .reader-window {
            min-height: 438px;
            padding: 14px;
            border: 1px solid rgba(27, 101, 206, 0.14);
            border-radius: 8px;
            background: #fff;
            box-shadow: 0 26px 60px rgba(26, 61, 110, 0.17);
        }
        .homepage .reader-titlebar {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 32px;
            padding-bottom: 12px;
            border-bottom: 1px solid #eef2f7;
        }
        .homepage .reader-titlebar i {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff6b6b;
        }
        .homepage .reader-titlebar i:nth-child(2) {
            background: #f5bd36;
        }
        .homepage .reader-titlebar i:nth-child(3) {
            background: #35c98b;
        }
        .homepage .reader-tabs {
            display: flex;
            gap: 8px;
            margin: 12px 0;
        }
        .homepage .reader-tabs span {
            height: 30px;
            padding: 0 12px;
            border-radius: 6px;
            color: #304059;
            background: #eef5ff;
            font-size: 13px;
            line-height: 30px;
            font-weight: 800;
        }
        .homepage .reader-tabs span:nth-child(2) {
            background: #fff4db;
        }
        .homepage .reader-ribbon {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 8px;
            margin-bottom: 14px;
        }
        .homepage .ribbon-btn {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 58px;
            border-radius: 8px;
            color: #26344d;
            background: #f6f9fd;
            font-size: 12px;
            font-weight: 800;
        }
        .homepage .ribbon-btn b {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            margin-bottom: 5px;
            border-radius: 7px;
            color: #fff;
            background: #2371F3;
            font-size: 14px;
        }
        .homepage .ribbon-btn:nth-child(2) b { background: #3B82F6; }
        .homepage .ribbon-btn:nth-child(3) b { background: #5A96F7; }
        .homepage .ribbon-btn:nth-child(4) b { background: #1F64D8; }
        .homepage .ribbon-btn:nth-child(5) b { background: #2F7CF4; }
        .homepage .ribbon-btn:nth-child(6) b { background: #6EA6FF; }
        .homepage .reader-body {
            display: grid;
            grid-template-columns: 92px 1fr 138px;
            gap: 12px;
            min-height: 286px;
        }
        .homepage .reader-thumbs,
        .homepage .reader-notes {
            padding: 10px;
            border-radius: 8px;
            background: #f6f8fb;
        }
        .homepage .thumb-page {
            height: 58px;
            margin-bottom: 10px;
            border: 1px solid #dce6f3;
            border-radius: 6px;
            background: #fff;
        }
        .homepage .thumb-page.active {
            border-color: #2371F3;
            box-shadow: 0 0 0 2px rgba(35, 113, 243, 0.12);
        }
        .homepage .reader-canvas {
            position: relative;
            padding: 18px 24px;
            border: 1px solid #e5edf6;
            border-radius: 8px;
            background: linear-gradient(180deg, #fff 0%, #fbfdff 100%);
        }
        .homepage .doc-title {
            height: 18px;
            width: 58%;
            border-radius: 999px;
            background: #2371F3;
            opacity: 0.92;
        }
        .homepage .doc-line {
            height: 9px;
            margin: 14px 0;
            border-radius: 999px;
            background: #dfe7f2;
        }
        .homepage .doc-line.short { width: 68%; }
        .homepage .doc-line.mid { width: 82%; }
        .homepage .annot-block {
            position: absolute;
            right: 28px;
            top: 110px;
            width: 118px;
            padding: 10px;
            border: 1px solid rgba(255, 159, 67, 0.44);
            border-radius: 8px;
            background: #fff8e8;
            color: #8a5b12;
            font-size: 12px;
            line-height: 1.45;
            box-shadow: 0 10px 24px rgba(255, 159, 67, 0.16);
        }
        .homepage .edit-frame {
            width: 72%;
            margin-top: 18px;
            padding: 12px;
            border: 2px dashed rgba(22, 119, 255, 0.35);
            border-radius: 8px;
            background: rgba(22, 119, 255, 0.04);
        }
        .homepage .note-item {
            padding: 10px;
            margin-bottom: 10px;
            border-radius: 7px;
            background: #fff;
            color: #526077;
            font-size: 12px;
            line-height: 1.5;
        }
        .homepage .note-item strong {
            display: block;
            margin-bottom: 4px;
            color: #162033;
            font-size: 13px;
        }
        .homepage .zz-section {
            padding: 76px 0;
        }
        .homepage .zz-section.alt {
            background: #f7fafc;
        }
        .homepage .zz-section-title {
            max-width: 780px;
            margin: 0 auto 42px;
            text-align: center;
        }
        .homepage .zz-section-title h2 {
            color: #13213a;
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            letter-spacing: 0;
        }
        .homepage .zz-section-title p {
            margin-top: 12px;
            color: #667387;
            font-size: 16px;
            line-height: 1.8;
        }
        .homepage .feature-grid,
        .homepage .scene-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .homepage .feature-card,
        .homepage .scene-card,
        .homepage .review-card {
            border: 1px solid #edf1f7;
            border-radius: 8px;
            background: #fff;
            box-shadow: 0 14px 34px rgba(27, 47, 79, 0.06);
        }
        .homepage .feature-card {
            min-height: 222px;
            padding: 26px 22px;
        }
        .homepage .feature-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: #f4f8ff;
        }
        .homepage .feature-icon img {
            width: 42px;
            height: 42px;
            object-fit: contain;
        }
        .homepage .feature-card h3,
        .homepage .scene-card h3 {
            margin-top: 18px;
            color: #16223a;
            font-size: 20px;
            font-weight: 800;
        }
        .homepage .feature-card p,
        .homepage .scene-card p,
        .homepage .review-card p {
            margin-top: 10px;
            color: #667387;
            font-size: 14px;
            line-height: 1.8;
        }
        .homepage .workflow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .homepage .workflow-step {
            padding: 30px;
            border: 1px solid #edf1f7;
            border-radius: 8px;
            background: #fff;
        }
        .homepage .workflow-step b {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 6px;
            color: #fff;
            background: #2371F3;
            font-size: 18px;
        }
        .homepage .workflow-step h3 {
            margin: 22px 0 10px;
            color: #16223a;
            font-size: 22px;
            font-weight: 800;
        }
        .homepage .workflow-step p {
            color: #667387;
            font-size: 15px;
            line-height: 1.8;
        }
        .homepage .office-band {
            display: grid;
            grid-template-columns: 0.94fr 1.06fr;
            gap: 28px;
            align-items: center;
        }
        .homepage .office-copy h2 {
            color: #13213a;
            font-size: 34px;
            line-height: 1.35;
            font-weight: 800;
        }
        .homepage .office-copy p {
            margin-top: 16px;
            color: #667387;
            font-size: 16px;
            line-height: 1.9;
        }
        .homepage .office-preview {
            border: 1px solid #edf1f7;
            border-radius: 8px;
            background: #fff;
            box-shadow: 0 14px 34px rgba(27, 47, 79, 0.06);
            overflow: hidden;
        }
        .homepage .office-menu {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1px;
            background: #e8eef6;
        }
        .homepage .office-menu span {
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f8fbff;
            color: #2b3a52;
            font-size: 13px;
            font-weight: 800;
        }
        .homepage .office-doc {
            display: grid;
            grid-template-columns: 94px 1fr;
            gap: 18px;
            padding: 22px;
        }
        .homepage .office-page-list span {
            display: block;
            height: 54px;
            margin-bottom: 10px;
            border-radius: 6px;
            background: #eef3fb;
        }
        .homepage .office-main-doc {
            min-height: 228px;
            padding: 24px;
            border-radius: 8px;
            background: #fbfdff;
            border: 1px solid #e6edf6;
        }
        .homepage .scene-card {
            min-height: 190px;
            padding: 24px;
        }
        .homepage .scene-card em {
            display: inline-block;
            color: #2371F3;
            font-size: 14px;
            font-style: normal;
            font-weight: 800;
        }
        .homepage .review-wrap {
            display: grid;
            grid-template-columns: 0.95fr 1.05fr;
            gap: 26px;
        }
        .homepage .review-panel {
            padding: 38px;
            border-radius: 8px;
            color: #13213a;
            border: 1px solid rgba(35, 113, 243, 0.14);
            background: linear-gradient(135deg, #F2F7FF 0%, #FFFFFF 100%);
        }
        .homepage .review-panel h2 {
            font-size: 32px;
            line-height: 1.35;
            font-weight: 800;
        }
        .homepage .review-panel p {
            margin-top: 16px;
            color: #5f6f86;
            font-size: 16px;
            line-height: 1.8;
        }
        .homepage .review-list {
            display: grid;
            gap: 16px;
        }
        .homepage .review-card {
            padding: 24px;
        }
        .homepage .review-card h3 {
            color: #16223a;
            font-size: 18px;
            font-weight: 800;
        }
        .homepage .final-cta {
            padding: 58px 0;
            text-align: center;
            color: #fff;
            background: #13213a;
        }
        .homepage .final-cta h2 {
            font-size: 34px;
            font-weight: 800;
        }
        .homepage .final-cta p {
            max-width: 720px;
            margin: 12px auto 24px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 16px;
            line-height: 1.8;
        }
        .homepage .final-cta .zz-pdf-primary {
            box-shadow: none;
        }
        @media (max-width: 980px) {
            .homepage .zz-pdf-hero {
                padding: 54px 0;
            }
            .homepage .zz-pdf-hero .zz-pdf-container,
            .homepage .office-band,
            .homepage .review-wrap {
                grid-template-columns: 1fr;
            }
            .homepage .feature-grid,
            .homepage .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .homepage .workflow-grid {
                grid-template-columns: 1fr;
            }
            .homepage .reader-window {
                min-height: auto;
            }
        }
        @media (max-width: 620px) {
            .homepage .zz-pdf-container {
                width: min(100% - 24px, 1180px);
            }
            .homepage .zz-pdf-hero h1 {
                font-size: 34px;
            }
            .homepage .zz-pdf-hero p,
            .homepage .zz-section-title p {
                font-size: 15px;
            }
            .homepage .zz-section {
                padding: 50px 0;
            }
            .homepage .zz-section-title h2,
            .homepage .office-copy h2,
            .homepage .final-cta h2 {
                font-size: 26px;
            }
            .homepage .reader-ribbon,
            .homepage .reader-body,
            .homepage .feature-grid,
            .homepage .scene-grid,
            .homepage .office-doc {
                grid-template-columns: 1fr;
            }
            .homepage .reader-thumbs,
            .homepage .reader-notes,
            .homepage .office-page-list {
                display: none;
            }
            .homepage .zz-pdf-primary,
            .homepage .zz-pdf-secondary {
                width: 100%;
            }
            .homepage .zz-pdf-download-top {
                height: 64px;
                z-index: 10020;
            }
            .homepage .zz-pdf-download-logo img {
                width: 2.2rem;
            }
            .homepage .zz-pdf-download-right {
                gap: 10px;
            }
            .homepage .zz-pdf-download-title span {
                display: none;
            }
            .homepage .zz-pdf-download-title strong {
                font-size: 16px;
            }
            .homepage .zz-pdf-download-top .zz-pdf-top-download-btn {
                width: auto;
                min-width: 128px;
                height: 38px;
                padding: 0 14px;
                font-size: 13px;
            }
        }
        @media (max-width: 420px) {
            .homepage .zz-pdf-download-title {
                display: none;
            }
            .homepage .zz-pdf-download-logo img {
                width: 1.72rem;
            }
            .homepage .zz-pdf-download-top .zz-pdf-top-download-btn {
                min-width: 118px;
            }
        }