/* ============================================================
           🔹 QuickQ 下载页 · 主视觉配色（紫青系，与首页一致）
           ============================================================ */
        :root{
            --violet:#7C3AED;
            --violet-deep:#5B21B6;
            --violet-soft:#F4EFFF;
            --cyan:#06B6D4;
            --ink:#1E1B4B;
            --ink-2:#4B4A6F;
            --line:rgba(124,58,237,.08);
            --line-strong:rgba(124,58,237,.16);
            --star:#F5A623;
        }

        *{margin:0;padding:0;box-sizing:border-box}
        body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:#FCFBFF;color:var(--ink);line-height:1.6;scroll-behavior:smooth}
        .container{max-width:80%;margin:0 auto;padding:0 40px}
        .navbar{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;padding:14px 0}
        .nav-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;position:relative}
        .logo-area{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.6rem;color:var(--ink);text-decoration:none}
        .logo-area img{height:40px;width:auto;display:block}
        .logo-area span{color:var(--violet)}
        .nav-links{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
        .nav-links a{text-decoration:none;font-weight:500;color:#3B3A5C;font-size:.92rem;transition:.2s;position:relative}
        .nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:linear-gradient(90deg,var(--violet),var(--cyan));transition:width .3s}
        .nav-links a:hover::after{width:100%}
        .nav-links a:hover{color:var(--violet)}
        .btn-nav{background:linear-gradient(120deg,var(--violet),#9333EA);color:#fff!important;padding:8px 24px;border-radius:40px;font-weight:600;font-size:.85rem;box-shadow:0 6px 18px rgba(124,58,237,.22);transition:all .3s}
        .btn-nav::after{display:none!important}
        .btn-nav:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(124,58,237,.3)}
        .btn-primary{background:linear-gradient(120deg,var(--violet),#9333EA);color:#fff;border:none;padding:14px 38px;border-radius:60px;font-weight:600;font-size:1.05rem;display:inline-flex;align-items:center;gap:10px;box-shadow:0 6px 20px rgba(124,58,237,.22);transition:all .3s;cursor:pointer;text-decoration:none}
        .btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(124,58,237,.32)}
        .btn-outline{background:0 0;border:1.5px solid var(--line-strong);color:#3B3A5C;padding:14px 28px;border-radius:60px;font-weight:600;font-size:1.05rem;display:inline-flex;align-items:center;gap:10px;transition:.3s;text-decoration:none}
        .btn-outline:hover{border-color:var(--violet);color:var(--violet);background:rgba(124,58,237,.03)}
        .hamburger{display:none;background:0 0;border:none;font-size:1.8rem;color:var(--ink);cursor:pointer;padding:4px 8px;transition:.2s;z-index:101}
        .hamburger:hover{color:var(--violet)}
        .back-to-top{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:linear-gradient(140deg,var(--violet),#9333EA);color:#fff;border:none;font-size:1.2rem;cursor:pointer;box-shadow:0 6px 20px rgba(124,58,237,.32);transition:all .3s ease;opacity:0;visibility:hidden;z-index:999}
        .back-to-top.show{opacity:1;visibility:visible}
        .back-to-top:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(124,58,237,.42)}
        .footer{background:#150F35;color:rgba(255,255,255,.7);padding:50px 0 30px;border-top:3px solid var(--violet)}
        .footer a{color:rgba(255,255,255,.6);text-decoration:none;transition:.2s}
        .footer a:hover{color:#fff}
        .footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:30px}
        .footer .brand-col .logo{font-size:1.8rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:12px}
        .footer .brand-col .logo i{color:var(--violet)}
        .footer .brand-col .logo span{color:var(--cyan)}
        .footer .brand-col p{font-size:.9rem;line-height:1.7;max-width:340px}
        .footer .col h4{color:#fff;font-size:1rem;font-weight:600;margin-bottom:14px;letter-spacing:.3px}
        .footer .col ul{list-style:none}
        .footer .col ul li{margin-bottom:8px}
        .footer .col ul li a{font-size:.9rem;color:rgba(255,255,255,.6);transition:.2s}
        .footer .col ul li a:hover{color:var(--cyan)}
        .footer .footer-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:18px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;font-size:.8rem}
        .footer .footer-bottom .icp{color:rgba(255,255,255,.4);text-align:center}

        /* ============================================================
           🔸 下载页专属模块
           ============================================================ */

        /* ----- 下载页 Hero ----- */
        .dl-hero { padding: 68px 0 56px; background: linear-gradient(140deg, #ffffff 0%, #F3EDFF 52%, #E8F8FF 100%); }
        .dl-hero-inner { display: flex; align-items: center; gap: 56px; flex-wrap: wrap; }
        .dl-hero-left { flex: 1.15; min-width: 320px; }
        .dl-hero-right { flex: 1; min-width: 300px; display: flex; justify-content: flex-end; }
        .dl-hero-badge {
            display: inline-block; background: rgba(124,58,237,0.07);
            border: 1px solid rgba(124,58,237,0.10); border-radius: 40px;
            padding: 6px 22px; font-size: 0.85rem; font-weight: 600;
            color: var(--violet); margin-bottom: 14px;
        }
        .dl-hero h1 {
            font-size: 2.9rem; font-weight: 800; line-height: 1.12;
            color: var(--ink); margin-bottom: 14px;
        }
        .dl-hero h1 .highlight {
            background: linear-gradient(100deg,var(--violet),var(--cyan));
            -webkit-background-clip: text; background-clip: text; color: transparent;
        }
        .dl-hero-desc {
            font-size: 1.06rem; color: var(--ink-2); max-width: 540px;
            margin-bottom: 22px; line-height: 1.85;
        }
        .dl-hero-desc strong { color: var(--ink); }
        .dl-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
        .dl-hero-points {
            display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px;
        }
        .dl-hero-points span {
            display: inline-flex; align-items: center; gap: 8px;
            background: #ffffff; padding: 6px 18px; border-radius: 30px;
            font-size: 0.88rem; font-weight: 500; color: #33325A;
            border: 1px solid var(--line);
            box-shadow: 0 3px 10px rgba(124,58,237,0.04);
        }
        .dl-hero-points i { color: var(--violet); }

        /* Hero 右侧文件信息卡 */
        .dl-hero-file {
            background: #ffffff; border-radius: 22px; padding: 26px 28px;
            border: 1px solid var(--line);
            box-shadow: 0 20px 44px -18px rgba(124,58,237,0.18);
            width: 100%; max-width: 400px;
        }
        .dl-hero-file .f-head {
            display: flex; align-items: center; gap: 12px; margin-bottom: 16px;
            padding-bottom: 14px; border-bottom: 1px dashed var(--line);
        }
        .dl-hero-file .f-head .f-icon {
            width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
            background: var(--violet-soft); display: flex; align-items: center; justify-content: center;
            font-size: 1.3rem; color: var(--violet);
        }
        .dl-hero-file .f-head .f-title { font-weight: 700; color: var(--ink); font-size: 0.95rem; }
        .dl-hero-file .f-head .f-sub { font-size: 0.75rem; color: #7C7AA0; }
        .dl-hero-file .f-row {
            display: flex; align-items: center; justify-content: space-between;
            padding: 9px 0; font-size: 0.85rem;
        }
        .dl-hero-file .f-row .k { color: var(--ink-2); display: flex; align-items: center; gap: 8px; }
        .dl-hero-file .f-row .k i { color: var(--violet); width: 16px; }
        .dl-hero-file .f-row .v { color: var(--ink); font-weight: 600; font-size: 0.82rem; }
        .dl-hero-file .f-row .v.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.74rem; color: var(--violet); }

        /* ----- 通用 section header ----- */
        .section-header { text-align: center; margin-bottom: 36px; }
        .section-badge {
            display: inline-block; background: rgba(124,58,237,0.06);
            border: 1px solid var(--line); border-radius: 40px;
            padding: 4px 20px; font-size: 0.8rem; font-weight: 600;
            color: var(--violet); margin-bottom: 8px;
        }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--ink); }
        .section-title i { color: var(--violet); margin-right: 8px; }
        .section-sub { color: var(--ink-2); font-size: 1rem; }

        /* ----- 下载卡片区 ----- */
        .dl-cards-section { padding: 68px 0 78px; background: #ffffff; border-top: 1px solid var(--line); }
        .dl-cards {
            display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
        }
        .dl-card {
            background: var(--violet-soft); border-radius: 22px; padding: 28px 22px 24px;
            border: 1px solid var(--line); transition: 0.3s;
            display: flex; flex-direction: column; position: relative;
        }
        .dl-card:hover {
            transform: translateY(-5px); border-color: var(--line-strong);
            box-shadow: 0 18px 36px rgba(124,58,237,0.10);
        }
        .dl-card .badge-hot {
            position: absolute; top: 16px; right: 16px;
            font-size: 0.62rem; font-weight: 700; color: #0891B2;
            background: rgba(6,182,212,0.10); padding: 2px 10px;
            border-radius: 30px;
        }
        .dl-card .c-icon {
            width: 60px; height: 60px; border-radius: 16px; margin-bottom: 14px;
            background: #ffffff; display: flex; align-items: center; justify-content: center;
            font-size: 1.9rem; color: var(--violet); border: 1px solid var(--line);
        }
        .dl-card h3 { font-size: 1.12rem; font-weight: 700; color: var(--ink); margin-bottom: 4px; }
        .dl-card .c-system { font-size: 0.75rem; color: #7C7AA0; margin-bottom: 12px; }
        .dl-card .c-meta {
            display: flex; flex-direction: column; gap: 5px; margin-bottom: 14px;
            padding: 10px 0; border-top: 1px dashed var(--line); border-bottom: 1px dashed var(--line);
        }
        .dl-card .c-meta .m-row {
            display: flex; align-items: center; justify-content: space-between;
            font-size: 0.78rem;
        }
        .dl-card .c-meta .m-row .mk { color: var(--ink-2); }
        .dl-card .c-meta .m-row .mv { color: var(--ink); font-weight: 600; }
        .dl-card .c-meta .m-row .mv.mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.7rem; color: var(--violet); }
        .dl-card .c-desc { font-size: 0.85rem; color: var(--ink-2); line-height: 1.65; margin-bottom: 16px; flex: 1; }
        .dl-card .c-btn {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            background: linear-gradient(120deg,var(--violet),#9333EA); color: #fff;
            padding: 12px 20px; border-radius: 40px; font-weight: 600; font-size: 0.88rem;
            text-decoration: none; transition: 0.3s; border: none; cursor: pointer;
            box-shadow: 0 6px 16px rgba(124,58,237,0.18); width: 100%;
        }
        .dl-card .c-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(124,58,237,0.28); }
        .dl-card .c-btn.secondary {
            background: #fff; color: var(--violet); border: 1.5px solid var(--line-strong);
            box-shadow: none;
        }
        .dl-card .c-btn.secondary:hover { border-color: var(--violet); background: var(--violet-soft); }

        .dl-note {
            text-align: center; margin-top: 30px; color: #7C7AA0; font-size: 0.9rem;
        }
        .dl-note i { color: var(--violet); margin-right: 6px; }

        /* ----- 校验与安全 ----- */
        .verify-section { padding: 68px 0 78px; background: #FAF8FF; border-top: 1px solid var(--line); }
        .verify-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .verify-card {
            background: #ffffff; border-radius: 20px; padding: 30px 26px;
            border: 1px solid var(--line); transition: 0.3s;
            display: flex; flex-direction: column;
        }
        .verify-card:hover {
            transform: translateY(-4px); border-color: var(--line-strong);
            box-shadow: 0 16px 32px rgba(124,58,237,0.07);
        }
        .verify-card .v-icon {
            width: 52px; height: 52px; border-radius: 14px; margin-bottom: 16px;
            background: var(--violet-soft); display: flex; align-items: center; justify-content: center;
            font-size: 1.5rem; color: var(--violet); border: 1px solid var(--line);
        }
        .verify-card h3 { font-size: 1.08rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
        .verify-card p { font-size: 0.9rem; color: var(--ink-2); line-height: 1.75; margin-bottom: 12px; flex: 1; }
        .verify-card p strong { color: var(--ink); }
        .verify-card .v-tip {
            font-size: 0.78rem; color: var(--violet); background: var(--violet-soft);
            border-radius: 10px; padding: 8px 12px; line-height: 1.6;
        }

        /* ----- 安装步骤 ----- */
        .steps-section { padding: 68px 0 78px; background: #ffffff; border-top: 1px solid var(--line); }
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .step-card {
            background: var(--violet-soft); border-radius: 20px; padding: 30px 24px 26px;
            border: 1px solid var(--line); transition: 0.3s; position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px); border-color: var(--line-strong);
            box-shadow: 0 16px 32px rgba(124,58,237,0.08);
        }
        .step-card .s-num {
            width: 40px; height: 40px; border-radius: 12px; margin-bottom: 14px;
            background: linear-gradient(130deg,var(--violet),#9333EA);
            color: #fff; font-weight: 800; font-size: 1.1rem;
            display: flex; align-items: center; justify-content: center;
        }
        .step-card h3 { font-size: 1.02rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
        .step-card p { font-size: 0.86rem; color: var(--ink-2); line-height: 1.7; }
        .step-card p strong { color: var(--ink); }

        /* ----- 系统要求表 ----- */
        .sysreq-section { padding: 68px 0 78px; background: #FAF8FF; border-top: 1px solid var(--line); }
        .sysreq-wrap {
            background: #ffffff; border-radius: 22px; border: 1px solid var(--line);
            overflow: hidden; box-shadow: 0 4px 20px rgba(124,58,237,0.04);
        }
        .sysreq-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
        .sysreq-table thead th {
            background: linear-gradient(140deg,var(--violet),#9333EA);
            color: #fff; font-weight: 600; padding: 16px 14px;
            text-align: center; font-size: 0.92rem;
        }
        .sysreq-table thead th:first-child { text-align: left; padding-left: 24px; }
        .sysreq-table tbody td {
            padding: 14px 14px; border-bottom: 1px solid var(--line);
            text-align: center; color: var(--ink-2); vertical-align: middle;
            font-size: 0.88rem;
        }
        .sysreq-table tbody td:first-child {
            text-align: left; padding-left: 24px; color: var(--ink); font-weight: 600;
        }
        .sysreq-table tbody tr:last-child td { border-bottom: none; }
        .sysreq-table tbody tr:hover { background: rgba(124,58,237,0.02); }
        .sysreq-table .sys-tag {
            display: inline-block; font-size: 0.75rem; font-weight: 600;
            color: var(--violet); background: var(--violet-soft);
            border-radius: 30px; padding: 2px 12px;
        }

        /* ----- 更新日志 ----- */
        .changelog-section { padding: 68px 0 78px; background: #ffffff; border-top: 1px solid var(--line); }
        .changelog-list { max-width: 900px; margin: 0 auto; }
        .cl-item {
            background: var(--violet-soft); border-radius: 18px; padding: 24px 28px;
            border: 1px solid var(--line); margin-bottom: 16px;
            display: flex; gap: 22px; align-items: flex-start; transition: 0.3s;
        }
        .cl-item:hover {
            border-color: var(--line-strong);
            box-shadow: 0 12px 28px rgba(124,58,237,0.07);
        }
        .cl-item .cl-ver {
            flex-shrink: 0; text-align: center; min-width: 90px;
        }
        .cl-item .cl-ver .v {
            font-size: 1.15rem; font-weight: 800; color: var(--violet);
            font-family: ui-monospace, Menlo, Consolas, monospace;
        }
        .cl-item .cl-ver .d { font-size: 0.72rem; color: #7C7AA0; margin-top: 2px; }
        .cl-item .cl-body h4 { font-size: 1rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
        .cl-item .cl-body ul { list-style: none; padding: 0; }
        .cl-item .cl-body ul li {
            font-size: 0.88rem; color: var(--ink-2); line-height: 1.7;
            padding-left: 18px; position: relative; margin-bottom: 4px;
        }
        .cl-item .cl-body ul li::before {
            content: ""; position: absolute; left: 4px; top: 9px;
            width: 6px; height: 6px; border-radius: 50%;
            background: linear-gradient(130deg,var(--violet),var(--cyan));
        }
        .cl-item .cl-body ul li strong { color: var(--ink); }

        /* ----- 下载 FAQ ----- */
        .dl-faq-section { padding: 52px 0 72px; background: #FAF8FF; border-top: 1px solid var(--line); }
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: stretch; }
        .faq-item {
            background: #ffffff; border-radius: 16px; padding: 24px 28px;
            border: 1px solid var(--line); transition: 0.3s;
            display: flex; flex-direction: column; height: 100%;
        }
        .faq-item:hover { border-color: var(--line-strong); box-shadow: 0 10px 24px rgba(124,58,237,0.05); }
        .faq-item .q {
            font-weight: 700; font-size: 1rem; color: var(--ink);
            display: flex; align-items: center; gap: 12px; flex-shrink: 0;
        }
        .faq-item .q i { color: var(--violet); font-size: 0.8rem; width: 20px; flex-shrink: 0; }
        .faq-item .a {
            margin-top: 10px; color: var(--ink-2); font-size: 0.92rem;
            line-height: 1.8; flex: 1;
        }
        .faq-item .a .step { display: flex; align-items: flex-start; gap: 10px; margin-top: 6px; padding-left: 4px; }
        .faq-item .a .step:first-child { margin-top: 0; }
        .faq-item .a .step-num {
            display: inline-flex; align-items: center; justify-content: center;
            min-width: 22px; height: 22px;
            background: linear-gradient(130deg,var(--violet),#9333EA);
            color: #fff; border-radius: 50%; font-size: 0.7rem; font-weight: 700;
            flex-shrink: 0; margin-top: 2px;
        }
        .faq-item .a .step-text { flex: 1; }
        .faq-item .a strong { color: var(--ink); }

        /* ----- 下载引导 CTA ----- */
        .partner-cta-wrap {
            padding: 62px 0 72px; background: #FAF8FF;
            border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
        }
        .partner-cta-box {
            background: linear-gradient(125deg, #5B21B6, #7C3AED 46%, #0891B2);
            border-radius: 28px; padding: 32px 38px;
            display: flex; flex-wrap: wrap; align-items: center;
            justify-content: space-between; gap: 18px;
            box-shadow: 0 20px 44px -10px rgba(124,58,237,0.32);
            margin: 0 auto;
        }
        .cta-info h3 { font-size: 1.3rem; font-weight: 700; color: #fff; display: flex; align-items: center; gap: 10px; }
        .cta-info p { color: rgba(255,255,255,0.82); font-size: 0.9rem; }
        .cta-keywords { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 10px; }
        .cta-keywords a {
            display: inline-block; background: rgba(255,255,255,0.14);
            border: 1px solid rgba(255,255,255,0.18); color: rgba(255,255,255,0.92);
            font-size: 0.75rem; font-weight: 500; padding: 3px 14px;
            border-radius: 30px; white-space: nowrap; text-decoration: none; transition: 0.25s;
        }
        .cta-keywords a:hover {
            background: rgba(255,255,255,0.26); border-color: rgba(255,255,255,0.36);
            color: #fff; transform: translateY(-1px);
        }
        .cta-contact { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 6px; font-size: 0.8rem; color: rgba(255,255,255,0.72); }
        .btn-partner-apply {
            background: #fff; color: var(--violet); padding: 12px 32px;
            border-radius: 60px; font-weight: 700; font-size: 0.95rem;
            text-decoration: none; display: inline-flex; align-items: center;
            gap: 8px; transition: 0.3s; border: none; cursor: pointer;
            box-shadow: 0 6px 18px rgba(0,0,0,0.08); flex-shrink: 0;
        }
        .btn-partner-apply:hover { transform: translateY(-2px); background: #F6F1FF; }

        /* ============================================================
           📱 响应式
           ============================================================ */
        @media (max-width: 1024px) {
            .container { padding: 0 30px; }
            .dl-hero h1 { font-size: 2.5rem; }
            .dl-hero-inner { flex-direction: column; text-align: center; }
            .dl-hero-left { min-width: unset; }
            .dl-hero-right { min-width: unset; justify-content: center; width: 100%; }
            .dl-hero-desc { margin: 0 auto 22px; }
            .dl-hero-actions { justify-content: center; }
            .dl-hero-points { justify-content: center; }
            .dl-cards { grid-template-columns: 1fr 1fr; }
            .verify-grid { grid-template-columns: 1fr 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; }
            .partner-cta-box { flex-direction: column; text-align: center; padding: 26px; }
            .cta-keywords { justify-content: center; }
            .btn-partner-apply { width: 100%; justify-content: center; }
            .faq-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .container { max-width: 100%; padding: 0 20px; }
            .nav-inner { flex-direction: row; flex-wrap: wrap; }
            .hamburger { display: block; }
            .nav-links {
                display: none; flex-direction: column; width: 100%; gap: 12px;
                padding: 16px 0 8px; border-top: 1px solid var(--line);
                margin-top: 4px; align-items: center;
            }
            .nav-links.active { display: flex; }
            .nav-links a { font-size: 1rem; }
            .btn-nav { width: 100%; text-align: center; justify-content: center; }
            .dl-hero h1 { font-size: 2.1rem; }
            .dl-cards { grid-template-columns: 1fr; }
            .verify-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .sysreq-wrap { overflow-x: auto; }
            .sysreq-table { min-width: 640px; }
            .cl-item { flex-direction: column; gap: 12px; padding: 20px; }
            .cl-item .cl-ver { text-align: left; min-width: unset; }
            .faq-grid { grid-template-columns: 1fr; }
            .faq-item { padding: 20px; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .footer .footer-bottom { flex-direction: column; text-align: center; }
            .back-to-top { bottom: 20px; right: 20px; width: 44px; height: 44px; font-size: 1rem; }
        }
        @media (max-width: 480px) {
            .container { max-width: 100%; padding: 0 14px; }
            .dl-hero h1 { font-size: 1.8rem; }
            .dl-hero-file { padding: 20px 18px; }
            .btn-primary, .btn-outline { padding: 12px 24px; font-size: 0.9rem; }
            .footer .footer-grid { grid-template-columns: 1fr; gap: 24px; text-align: center; }
            .footer .brand-col p { max-width: 100%; }
            .partner-cta-box { padding: 20px 16px; }
            .faq-item { padding: 16px; }
            .faq-item .a .step { flex-direction: column; gap: 4px; }
            .back-to-top { bottom: 16px; right: 16px; width: 40px; height: 40px; font-size: 0.9rem; }
        }