:root {
        --green: #00A86B;
        --green-2: #00C48C;
        --green-deep: #065F46;
        --green-soft: #E9FBF3;
        --green-line: #C9F0E0;
        --ink: #0E2A20;
        --text: #1B3029;
        --muted: #5C726A;
        --line: #E4F0EA;
        --radius: 18px;
        --max: 1140px;
    }

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

    body {
        margin: 0;
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        color: var(--text);
        background: #fff;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }

    h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.3; }
    a { color: inherit; }
    svg { display: block; }

    .nav {
        position: sticky; top: 0; z-index: 60;
        background: rgba(255, 255, 255, 0.86);
        backdrop-filter: saturate(180%) blur(16px);
        -webkit-backdrop-filter: saturate(180%) blur(16px);
        border-bottom: 1px solid var(--line);
    }
    .nav-inner {
        max-width: var(--max); margin: 0 auto; padding: 0 24px;
        height: 64px; display: flex; align-items: center; gap: 12px;
    }
    .brand {
        display: flex; align-items: center; gap: 10px;
        text-decoration: none; font-weight: 800; font-size: 16px;
        color: var(--ink); letter-spacing: -0.01em;
    }
    .brand-mark {
        width: 34px; height: 34px; border-radius: 11px;
        display: grid; place-items: center; color: #fff;
        background: linear-gradient(135deg, var(--green), var(--green-2));
        box-shadow: 0 6px 16px rgba(0, 168, 107, 0.3);
    }
    .brand-mark svg { width: 19px; height: 19px; }
    .nav-links { display: flex; gap: 26px; margin-left: auto; }
    .nav-links a {
        font-size: 14px; color: var(--muted); text-decoration: none;
        transition: color 0.15s; display: flex; align-items: center; gap: 6px;
    }
    .nav-links a:hover { color: var(--green); }

    .btn {
        display: inline-flex; align-items: center; justify-content: center;
        gap: 9px; font-size: 15px; font-weight: 700; text-decoration: none;
        border-radius: 12px; padding: 13px 22px; border: 1px solid transparent;
        transition: transform 0.16s, box-shadow 0.16s, background 0.16s, border-color 0.16s;
        white-space: nowrap; cursor: pointer;
    }
    .btn svg { width: 17px; height: 17px; }
    .btn-primary {
        color: #fff;
        background: linear-gradient(135deg, var(--green), var(--green-2));
        box-shadow: 0 10px 24px rgba(0, 168, 107, 0.28);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0, 168, 107, 0.36); }
    .btn-secondary {
        color: var(--green-deep); background: rgba(255, 255, 255, 0.9);
        border-color: var(--green-line); box-shadow: 0 4px 14px rgba(0, 168, 107, 0.08);
    }
    .btn-secondary:hover { background: #fff; border-color: #9FE3C6; transform: translateY(-2px); }
    .btn-sm { padding: 9px 16px; font-size: 13.5px; border-radius: 10px; }

    .hero {
        position: relative; overflow: hidden;
        background:
            radial-gradient(900px 480px at 12% 6%, rgba(0, 168, 107, 0.16), transparent 62%),
            radial-gradient(760px 430px at 88% 8%, rgba(56, 189, 248, 0.16), transparent 62%),
            radial-gradient(620px 400px at 52% 62%, rgba(250, 214, 88, 0.16), transparent 62%),
            linear-gradient(180deg, #F5FEFB 0%, #ECFBF5 32%, #F4FDFA 58%, #FFFFFF 100%);
    }
    .hero::before {
        content: ""; position: absolute; inset: 0;
        background-image:
            linear-gradient(rgba(0, 168, 107, 0.07) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 168, 107, 0.07) 1px, transparent 1px);
        background-size: 56px 56px;
        -webkit-mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 74%);
        mask-image: radial-gradient(circle at 50% 28%, #000 0%, transparent 74%);
        pointer-events: none;
    }
    .blob { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; }
    .blob-1 { width: 420px; height: 420px; background: #8AF0C6; top: -140px; left: -100px; opacity: 0.45; }
    .blob-2 { width: 360px; height: 360px; background: #A9E8FF; top: 30px; right: -70px; opacity: 0.42; }
    .blob-3 { width: 300px; height: 300px; background: #FFF1A8; bottom: -80px; left: 42%; opacity: 0.26; }

    .hero-inner {
        position: relative; z-index: 1; max-width: var(--max); margin: 0 auto;
        padding: 64px 24px 52px; display: grid;
        grid-template-columns: 1.04fr 0.96fr; gap: 52px; align-items: center;
    }

    .pill {
        display: inline-flex; align-items: center; gap: 8px;
        font-size: 12.5px; font-weight: 700; color: var(--green-deep);
        background: rgba(255, 255, 255, 0.82); border: 1px solid var(--green-line);
        padding: 7px 15px; border-radius: 999px; margin-bottom: 20px;
        box-shadow: 0 4px 14px rgba(0, 168, 107, 0.08);
    }
    .pill svg { width: 15px; height: 15px; color: var(--green); }

    .hero h1 {
        font-size: clamp(29px, 4vw, 46px); margin: 0 0 18px;
        font-weight: 800; color: var(--ink); line-height: 1.26;
    }
    .grad {
        background: linear-gradient(100deg, #00A86B 0%, #06B6D4 52%, #34D399 100%);
        -webkit-background-clip: text; background-clip: text; color: transparent;
    }
    .hero-sub {
        font-size: 16.5px; line-height: 1.82; color: #3E5A51;
        margin: 0 0 24px; max-width: 560px;
    }
    .hero-sub strong { color: var(--green-deep); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }
    .hero-meta {
        list-style: none; padding: 0; margin: 0;
        display: flex; flex-wrap: wrap; gap: 10px 24px;
        font-size: 13px; color: #5D7A70;
    }
    .hero-meta li { display: flex; align-items: center; gap: 7px; }
    .hero-meta svg { width: 15px; height: 15px; color: var(--green); flex: none; }

    .hero-visual { position: relative; }
    .hero-card {
        position: relative; background: #fff; border: 1px solid var(--green-line);
        border-radius: 22px; padding: 20px 22px 22px;
        box-shadow: 0 28px 64px rgba(6, 95, 70, 0.13), 0 2px 6px rgba(6, 95, 70, 0.04);
    }
    .hc-head {
        display: flex; align-items: center; gap: 10px;
        padding-bottom: 14px; border-bottom: 1px solid var(--line); margin-bottom: 14px;
    }
    .hc-head-ico {
        width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center;
        background: var(--green-soft); color: var(--green); border: 1px solid var(--green-line);
    }
    .hc-head-ico svg { width: 16px; height: 16px; }
    .hc-title { font-size: 13.5px; font-weight: 700; color: var(--ink); }
    .hc-live {
        margin-left: auto; display: flex; align-items: center; gap: 6px;
        font-size: 11.5px; font-weight: 700; color: var(--green);
    }
    .hc-live::before {
        content: ""; width: 7px; height: 7px; border-radius: 50%;
        background: var(--green); box-shadow: 0 0 0 3px rgba(0, 168, 107, 0.16);
    }
    .hc-steps { display: grid; gap: 8px; }
    .hc-step {
        display: flex; align-items: center; gap: 11px; font-size: 13.5px;
        padding: 10px 13px; border-radius: 12px; border: 1px solid var(--line);
        background: #FBFDFC; color: #46645A;
    }
    .hc-step .tick {
        flex: none; width: 22px; height: 22px; border-radius: 7px;
        display: grid; place-items: center;
    }
    .hc-step .tick svg { width: 13px; height: 13px; }
    .hc-step .state { margin-left: auto; font-size: 11.5px; font-weight: 700; color: #94A9A1; }
    .hc-step.done .tick { background: #D9F7E9; color: var(--green); }
    .hc-step.done .state { color: var(--green); }
    .hc-step.active {
        background: linear-gradient(100deg, #EAFBF3, #E6F6FF); border-color: #A8E4CD;
        color: var(--green-deep); font-weight: 700;
        box-shadow: 0 4px 14px rgba(0, 168, 107, 0.1);
    }
    .hc-step.active .tick {
        background: linear-gradient(135deg, var(--green), var(--green-2)); color: #fff;
        box-shadow: 0 3px 10px rgba(0, 168, 107, 0.3);
    }
    .hc-step.active .state { color: var(--green); }
    .hc-step.idle .tick { background: #EEF5F2; color: #A9BCB5; }

    .hc-bar { height: 7px; border-radius: 999px; background: #EDF6F2; overflow: hidden; margin-top: 14px; }
    .hc-bar span {
        display: block; height: 100%; width: 60%; border-radius: inherit;
        background: linear-gradient(90deg, var(--green), #35D69C);
    }
    .hc-foot {
        display: flex; justify-content: space-between; align-items: center;
        font-size: 12px; color: #7C948C; margin-top: 8px;
    }
    .hc-foot b { color: var(--green-deep); font-size: 12.5px; }

    .float-badge {
        position: absolute; right: -14px; bottom: -22px;
        display: flex; align-items: center; gap: 10px;
        background: #fff; border: 1px solid var(--green-line); border-radius: 14px;
        padding: 11px 16px; font-size: 12.5px; color: #3E5A51;
        box-shadow: 0 18px 40px rgba(6, 95, 70, 0.16);
    }
    .float-badge .fb-ico {
        width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center;
        background: var(--green-soft); color: var(--green);
    }
    .float-badge .fb-ico svg { width: 15px; height: 15px; }
    .float-badge b { color: var(--green-deep); }

    .stats { background: transparent; }
    .stats-inner {
        max-width: var(--max); margin: 0 auto; padding: 4px 24px 8px;
        display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    }
    .stat { display: flex; align-items: center; gap: 12px; }
    .stat-ico {
        width: 40px; height: 40px; flex: none; border-radius: 12px;
        display: grid; place-items: center; background: #fff;
        border: 1px solid var(--green-line); color: var(--green);
        box-shadow: 0 4px 12px rgba(0, 168, 107, 0.08);
    }
    .stat-ico svg { width: 19px; height: 19px; }
    .stat-num {
        font-size: 19px; font-weight: 800; color: var(--ink);
        letter-spacing: -0.02em; line-height: 1.2;
    }
    .stat-label { font-size: 13px; color: var(--muted); }

    .section {
        max-width: var(--max); margin: 0 auto; padding: 48px 24px;
        scroll-margin-top: 80px;
    }
    .section + .section { padding-top: 0; }

    .section-head { max-width: 700px; margin-bottom: 26px; }
    .eyebrow {
        display: inline-flex; align-items: center; gap: 9px;
        font-size: 12px; font-weight: 800; letter-spacing: 0.12em;
        text-transform: uppercase; color: var(--green); margin-bottom: 10px;
    }
    .eyebrow::before { content: ""; width: 20px; height: 2px; border-radius: 2px; background: var(--green); }
    .section h2 {
        font-size: clamp(23px, 3vw, 31px); margin: 0 0 12px;
        font-weight: 800; color: var(--ink);
    }
    .section-head p { margin: 0; color: var(--muted); font-size: 15.5px; }

    .callout {
        display: flex; gap: 14px;
        background: linear-gradient(100deg, #F1FDF8, #F7FCFA);
        border: 1px solid var(--green-line); border-radius: 14px;
        padding: 16px 20px; margin: 22px 0 0; font-size: 15px; color: #34544A;
    }
    .callout .ci {
        width: 26px; height: 26px; flex: none; border-radius: 8px;
        display: grid; place-items: center; background: #fff;
        border: 1px solid var(--green-line); color: var(--green); margin-top: 1px;
    }
    .callout .ci svg { width: 15px; height: 15px; }
    .callout strong { color: var(--green-deep); }

    .roadmap { display: grid; gap: 14px; }
    .phase {
        display: grid; grid-template-columns: 120px 1fr; gap: 0;
        border: 1px solid var(--line); border-radius: var(--radius);
        background: #fff; overflow: hidden;
        transition: border-color 0.18s, box-shadow 0.18s;
    }
    .phase:hover { border-color: var(--green-line); box-shadow: 0 14px 34px rgba(6, 95, 70, 0.07); }
    .phase-label {
        display: flex; flex-direction: column; justify-content: center;
        gap: 4px; padding: 22px 18px;
        background: linear-gradient(160deg, #F2FDF8, #FAFEFC);
        border-right: 1px solid var(--line);
    }
    .phase-label .pl-num {
        font-size: 11px; font-weight: 800; letter-spacing: 0.1em;
        color: var(--green); text-transform: uppercase;
    }
    .phase-label .pl-time { font-size: 13px; font-weight: 700; color: var(--ink); line-height: 1.4; }
    .phase-body { padding: 22px 24px; }
    .phase-body h3 { margin: 0 0 7px; font-size: 17px; font-weight: 700; color: var(--ink); }
    .phase-body > p { margin: 0 0 12px; font-size: 14.5px; color: var(--muted); line-height: 1.76; }
    .phase-sites { display: flex; flex-wrap: wrap; gap: 7px; }
    .phase-sites a {
        display: inline-flex; align-items: center; gap: 6px;
        font-size: 12.5px; font-weight: 700; color: var(--green-deep);
        background: var(--green-soft); border: 1px solid var(--green-line);
        padding: 5px 11px; border-radius: 8px; text-decoration: none;
        transition: background 0.15s, border-color 0.15s;
    }
    .phase-sites a svg { width: 11px; height: 11px; }
    .phase-sites a:hover { background: #DCF7EC; border-color: #A8E4CD; }

    .tool-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .tool-card {
        display: flex; flex-direction: column; background: #fff;
        border: 1px solid var(--line); border-radius: var(--radius);
        padding: 22px 21px; transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
    }
    .tool-card:hover {
        transform: translateY(-4px); border-color: var(--green-line);
        box-shadow: 0 18px 40px rgba(6, 95, 70, 0.09);
    }
    .tool-top {
        display: flex; align-items: flex-start; justify-content: space-between;
        gap: 12px; margin-bottom: 14px;
    }
    .icon-box {
        width: 44px; height: 44px; border-radius: 13px;
        display: grid; place-items: center;
        background: var(--green-soft); border: 1px solid var(--green-line);
        color: var(--green);
    }
    .icon-box svg { width: 21px; height: 21px; }
    .tool-card .icon-box { width: 42px; height: 42px; }
    .tag {
        font-size: 11px; font-weight: 700; color: var(--green-deep);
        background: var(--green-soft); border: 1px solid var(--green-line);
        padding: 4px 10px; border-radius: 999px; white-space: nowrap;
    }
    .tool-card h3 { margin: 0 0 9px; font-size: 17px; font-weight: 700; color: var(--ink); }
    .tool-card p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.76; }
    .tool-card .fit {
        margin-top: auto; padding-top: 13px; margin-top: 14px;
        border-top: 1px dashed var(--line); font-size: 13.5px;
        color: #3E5A51; line-height: 1.72;
    }
    .tool-card .fit strong { color: var(--green); }
    .tool-actions {
        display: flex; align-items: center; gap: 10px;
        margin-top: 15px; flex-wrap: wrap;
    }
    .tool-link {
        display: inline-flex; align-items: center; gap: 7px;
        font-size: 13.5px; font-weight: 700; color: var(--green-deep);
        background: var(--green-soft); border: 1px solid var(--green-line);
        border-radius: 10px; padding: 8px 14px; text-decoration: none;
        transition: background 0.16s, border-color 0.16s, box-shadow 0.16s, transform 0.16s;
    }
    .tool-link svg { width: 14px; height: 14px; }
    .tool-link:hover {
        background: #DCF7EC; border-color: #A8E4CD;
        box-shadow: 0 6px 16px rgba(0, 168, 107, 0.12); transform: translateY(-1px);
    }
    .tool-domain { font-size: 12px; color: #94A9A1; letter-spacing: 0.01em; }

    .split { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .panel { border-radius: var(--radius); padding: 24px; border: 1px solid var(--line); }
    .panel.yes { background: linear-gradient(160deg, #F2FDF8, #F9FEFC); border-color: #CFF1E3; }
    .panel.no { background: linear-gradient(160deg, #FEF7F7, #FEFBFC); border-color: #F4DEDE; }
    .panel h3 {
        margin: 0 0 16px; font-size: 16px; font-weight: 700;
        display: flex; align-items: center; gap: 10px; color: var(--ink);
    }
    .panel h3 .ico { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; }
    .panel h3 .ico svg { width: 14px; height: 14px; }
    .panel.yes .ico { background: #D9F7E9; color: var(--green); }
    .panel.no .ico { background: #FBE3E3; color: #D94A4A; }
    .panel ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
    .panel li {
        position: relative; padding-left: 20px; font-size: 14.5px;
        color: #46645A; line-height: 1.74;
    }
    .panel li::before {
        content: ""; position: absolute; left: 0; top: 11px;
        width: 6px; height: 6px; border-radius: 50%;
    }
    .panel.yes li::before { background: var(--green); }
    .panel.no li::before { background: #E88C8C; }

    .pitfall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .pitfall {
        position: relative; background: #fff; border: 1px solid var(--line);
        border-radius: var(--radius); padding: 22px; overflow: hidden;
        transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
    }
    .pitfall:hover { transform: translateY(-3px); border-color: #F3D9D9; box-shadow: 0 16px 36px rgba(180, 40, 40, 0.06); }
    .pitfall .num {
        display: inline-grid; place-items: center; width: 32px; height: 32px;
        border-radius: 10px; font-size: 12.5px; font-weight: 800;
        color: #C0392B; background: #FDECEB; margin-bottom: 13px;
    }
    .pitfall h3 { margin: 0 0 8px; font-size: 15.5px; font-weight: 700; color: var(--ink); }
    .pitfall p { margin: 0; font-size: 14.5px; color: var(--muted); line-height: 1.76; }

    .link-chips { display: flex; flex-wrap: wrap; gap: 10px; }
    .link-chips a {
        display: inline-flex; align-items: center; gap: 8px;
        font-size: 14px; font-weight: 600; color: #33524A;
        text-decoration: none; background: #fff; border: 1px solid var(--line);
        padding: 9px 16px; border-radius: 999px;
        transition: border-color 0.16s, color 0.16s, box-shadow 0.16s, transform 0.16s;
    }
    .link-chips a svg { width: 14px; height: 14px; color: var(--green); }
    .link-chips a:hover {
        color: var(--green-deep); border-color: #A8E4CD;
        box-shadow: 0 8px 20px rgba(0, 168, 107, 0.1); transform: translateY(-2px);
    }

    .faq { border-top: 1px solid var(--line); }
    .faq details { border-bottom: 1px solid var(--line); }
    .faq summary {
        list-style: none; cursor: pointer; padding: 18px 46px 18px 0;
        font-size: 15.5px; font-weight: 700; color: var(--ink);
        position: relative; transition: color 0.15s;
    }
    .faq summary:hover { color: var(--green); }
    .faq summary::-webkit-details-marker { display: none; }
    .faq summary::after {
        content: ""; position: absolute; right: 0; top: 50%;
        width: 26px; height: 26px; transform: translateY(-50%);
        border-radius: 8px; border: 1px solid var(--green-line);
        background: var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2300A86B' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") no-repeat center;
    }
    .faq details[open] summary::after {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2300A86B' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M5 12h14'/%3E%3C/svg%3E");
    }
    .faq details p {
        margin: 0 0 20px; font-size: 14.5px; color: var(--muted);
        line-height: 1.82; max-width: 780px;
    }

    .cta { max-width: var(--max); margin: 0 auto; padding: 0 24px 64px; }
    .cta-box {
        position: relative; overflow: hidden; border-radius: 24px;
        padding: 44px 42px; border: 1px solid var(--green-line);
        background:
            radial-gradient(700px 300px at 88% 0%, rgba(56, 189, 248, 0.22), transparent 65%),
            radial-gradient(600px 320px at 8% 100%, rgba(0, 168, 107, 0.22), transparent 65%),
            radial-gradient(500px 280px at 60% 110%, rgba(250, 214, 88, 0.22), transparent 65%),
            linear-gradient(140deg, #F1FDF8 0%, #EDFBF5 45%, #EFF9FF 100%);
    }
    .cta-box::before {
        content: ""; position: absolute; inset: 0;
        background-image:
            linear-gradient(rgba(0, 168, 107, 0.07) 1px, transparent 1px),
            linear-gradient(90deg, rgba(0, 168, 107, 0.07) 1px, transparent 1px);
        background-size: 48px 48px;
        -webkit-mask-image: radial-gradient(circle at 30% 50%, #000, transparent 70%);
        mask-image: radial-gradient(circle at 30% 50%, #000, transparent 70%);
        pointer-events: none;
    }
    .cta-box > * { position: relative; z-index: 1; }
    .cta-box h2 { margin: 0 0 10px; font-size: clamp(22px, 2.8vw, 30px); font-weight: 800; color: var(--ink); }
    .cta-box p { margin: 0 0 24px; color: #3E5A51; font-size: 15.5px; max-width: 580px; line-height: 1.78; }
    .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; }

    footer {
        background: linear-gradient(180deg, #F7FCFA 0%, #F2FBF7 100%);
        border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
    }
    .foot-inner {
        max-width: var(--max); margin: 0 auto; padding: 40px 24px 28px;
        display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px;
    }
    .foot-inner h4 {
        color: var(--ink); font-size: 13.5px; margin: 0 0 13px;
        font-weight: 700; letter-spacing: 0.02em;
    }
    .foot-inner ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
    .foot-inner ul a {
        text-decoration: none; display: inline-flex; align-items: center;
        gap: 7px; transition: color 0.15s;
    }
    .foot-inner ul a svg { width: 13px; height: 13px; color: var(--green); opacity: 0.7; }
    .foot-inner ul a:hover { color: var(--green); }
    .foot-about p { margin: 12px 0 0; font-size: 13.5px; line-height: 1.8; max-width: 340px; }
    .foot-bottom {
        max-width: var(--max); margin: 0 auto; padding: 16px 24px 26px;
        border-top: 1px solid var(--line); font-size: 12.5px;
        color: #7C948C; line-height: 1.85;
    }

    @media (max-width: 1000px) {
        .hero-inner { grid-template-columns: 1fr; gap: 46px; padding: 56px 24px 48px; }
        .hero-sub { max-width: none; }
        .hero-visual { max-width: 520px; }
        .tool-grid, .pitfall-grid { grid-template-columns: 1fr 1fr; }
        .stats-inner { grid-template-columns: 1fr 1fr; }
        .foot-inner { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 820px) {
        .nav-links { display: none; }
        .nav-inner .btn { margin-left: auto; }
        .split { grid-template-columns: 1fr; }
        .section { padding: 40px 20px; }
        .cta { padding: 0 20px 52px; }
        .cta-box { padding: 34px 26px; }
        .foot-inner { grid-template-columns: 1fr; gap: 28px; }
        .float-badge { right: 8px; bottom: -18px; }
        .phase { grid-template-columns: 96px 1fr; }
        .phase-label { padding: 18px 14px; }
    }
    @media (max-width: 640px) {
        .tool-grid, .pitfall-grid { grid-template-columns: 1fr; }
        .stats-inner { grid-template-columns: 1fr; gap: 14px; padding: 2px 20px 6px; }
        .hero-inner { padding: 44px 20px 40px; }
        .hero-actions .btn { flex: 1 1 auto; }
        .tool-actions { flex-direction: column; align-items: flex-start; gap: 6px; }
        .phase { grid-template-columns: 1fr; }
        .phase-label { flex-direction: row; align-items: center; gap: 10px; border-right: none; border-bottom: 1px solid var(--line); }
    }
    @media (prefers-reduced-motion: reduce) {
        html { scroll-behavior: auto; }
        * { transition: none !important; animation: none !important; }
    }