:root {
        --brand: #ffca18;
        --brand-dark: #d4a000;
        --brand-soft: rgba(255, 202, 24, 0.15);
        --text: #0f0f0f;
        --sub: #555;
        --muted: #888;
        --line: #eee;
        --bg: #fffdf5;
        --card: #fff;
        --radius: 14px;
        --max: 920px;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
    html { scroll-behavior: smooth; }
    body {
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        background: linear-gradient(180deg, #fffdf5 0%, #f7f8fa 240px, #f7f8fa 100%);
        color: var(--text);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    a { color: #0b57d0; text-decoration: none; }
    a:hover { text-decoration: underline; }
    img { max-width: 100%; height: auto; border: 0; }
    .wrap { width: min(100% - 32px, var(--max)); margin: 0 auto; }
    .ambient {
        position: fixed; inset: 0; z-index: -1; pointer-events: none;
        background:
            radial-gradient(ellipse 70% 40% at 50% -8%, rgba(255,202,24,.14), transparent),
            radial-gradient(ellipse 40% 30% at 100% 0%, rgba(255,220,100,.08), transparent);
    }
    nav {
        position: sticky; top: 0; z-index: 100;
        backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
        background: rgba(255,253,245,.86);
        border-bottom: 1px solid rgba(0,0,0,.04);
    }
    .nav-inner {
        display: flex; align-items: center; justify-content: space-between;
        height: 56px;
    }
    .brand {
        display: flex; align-items: center; gap: 10px;
        color: var(--text); font-weight: 700; text-decoration: none; font-size: 1rem;
    }
    .brand img { width: 30px; height: 30px; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,.08); }
    .nav-tag {
        font-size: .72rem; font-weight: 600; color: #9a7200;
        background: var(--brand-soft); border: 1px solid rgba(255,202,24,.25);
        padding: 4px 12px; border-radius: 999px;
    }
    .nav-links { display: none; gap: 18px; font-size: .88rem; }
    .nav-links a { color: var(--sub); text-decoration: none; }
    .nav-links a:hover { color: var(--text); }
    .hero {
        padding: 48px 0 36px;
        display: grid; gap: 28px; align-items: center;
    }
    .badge {
        display: inline-flex; align-items: center; gap: 6px;
        padding: 6px 14px; border-radius: 999px; font-size: .78rem; font-weight: 600;
        color: #9a7200; background: var(--brand-soft); border: 1px solid rgba(255,202,24,.28);
        margin-bottom: 16px;
    }
    h1 {
        font-size: clamp(1.8rem, 4vw, 2.6rem);
        line-height: 1.25; font-weight: 800; letter-spacing: -.02em; margin-bottom: 14px;
    }
    h1 em {
        font-style: normal; color: var(--brand-dark); position: relative; display: inline-block;
    }
    h1 em::after {
        content: ""; position: absolute; left: -2px; right: -2px; bottom: 3px; height: 10px;
        background: var(--brand); opacity: .35; z-index: -1; border-radius: 2px; transform: skewX(-8deg);
    }
    .lead { color: var(--sub); font-size: 1.02rem; margin-bottom: 24px; max-width: 36em; }
    .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
    .btn {
        display: inline-flex; align-items: center; justify-content: center; gap: 8px;
        min-height: 48px; padding: 12px 22px; border-radius: 12px;
        font-weight: 600; font-size: .95rem; text-decoration: none; transition: .15s ease;
    }
    .btn:hover { text-decoration: none; transform: translateY(-1px); }
    .btn:active { transform: scale(.98); }
    .btn-primary { background: #111; color: #fff; box-shadow: 0 8px 20px rgba(0,0,0,.12); }
    .btn-secondary { background: #fff; color: #111; border: 1px solid #e5e5e5; }
    .btn svg { width: 18px; height: 18px; flex-shrink: 0; }
    .hint { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .8rem; }
    .hint i {
        width: 6px; height: 6px; border-radius: 50%; background: var(--brand);
        box-shadow: 0 0 8px rgba(255,202,24,.55);
    }
    .hero-visual { display: none; justify-content: center; }
    .icon-wrap { position: relative; width: 220px; height: 220px; }
    .icon-wrap img {
        width: 100%; height: 100%; object-fit: contain; border-radius: 48px;
        box-shadow: 0 24px 48px -10px rgba(255,202,24,.35);
    }
    .glow {
        position: absolute; inset: -18%; border: 2px dashed rgba(255,202,24,.28);
        border-radius: 50%; z-index: -1; animation: spin 40s linear infinite;
    }
    @keyframes spin { to { transform: rotate(360deg); } }
    .stats {
        display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
        margin: 8px 0 40px;
    }
    .stat {
        background: var(--card); border: 1px solid var(--line); border-radius: 12px;
        padding: 14px 10px; text-align: center;
    }
    .stat b { display: block; font-size: 1.05rem; margin-bottom: 2px; }
    .stat span { color: var(--muted); font-size: .78rem; }
    .section { padding: 8px 0 36px; }
    .section h2 {
        font-size: 1.35rem; margin-bottom: 14px; padding-left: 12px; position: relative;
    }
    .section h2::before {
        content: ""; position: absolute; left: 0; top: .35em; width: 4px; height: 1em;
        background: var(--brand); border-radius: 2px;
    }
    .section h3 { font-size: 1.08rem; margin: 22px 0 10px; color: #222; }
    .section p, .section li { color: #333; font-size: .98rem; }
    .section p + p { margin-top: 12px; }
    .card {
        background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 22px 20px; margin-bottom: 16px;
    }
    .features {
        display: grid; gap: 12px;
        grid-template-columns: 1fr;
    }
    .feature {
        background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 18px 18px 16px;
    }
    .feature strong {
        display: inline-flex; align-items: center; gap: 8px;
        font-size: 1rem; margin-bottom: 8px;
    }
    .feature strong::before {
        content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand);
    }
    .feature p { color: var(--sub); font-size: .94rem; margin: 0; }
    .steps { counter-reset: step; list-style: none; }
    .steps li {
        position: relative; padding: 14px 14px 14px 52px; margin-bottom: 10px;
        background: #fff; border: 1px solid var(--line); border-radius: 12px;
    }
    .steps li::before {
        counter-increment: step; content: counter(step);
        position: absolute; left: 14px; top: 14px;
        width: 28px; height: 28px; border-radius: 50%;
        background: #111; color: #fff; font-size: .85rem; font-weight: 700;
        display: flex; align-items: center; justify-content: center;
    }
    .faq details {
        background: #fff; border: 1px solid var(--line); border-radius: 12px;
        padding: 14px 16px; margin-bottom: 10px;
    }
    .faq summary {
        cursor: pointer; font-weight: 600; list-style: none; color: #222;
    }
    .faq summary::-webkit-details-marker { display: none; }
    .faq details[open] summary { margin-bottom: 8px; color: var(--brand-dark); }
    .faq details p { color: var(--sub); font-size: .95rem; }
    .dl-box {
        background: linear-gradient(135deg, #111 0%, #2a2a2a 100%);
        color: #fff; border-radius: 18px; padding: 28px 22px; text-align: center;
    }
    .dl-box h2 { color: #fff; padding: 0; margin-bottom: 10px; }
    .dl-box h2::before { display: none; }
    .dl-box p { color: rgba(255,255,255,.78); margin-bottom: 18px; }
    .dl-box .actions { justify-content: center; }
    .dl-box .btn-primary { background: var(--brand); color: #111; }
    .dl-box .btn-secondary { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
    .meta-table {
        width: 100%; border-collapse: collapse; font-size: .92rem;
    }
    .meta-table th, .meta-table td {
        border: 1px solid var(--line); padding: 10px 12px; text-align: left;
    }
    .meta-table th { width: 34%; background: #fafafa; color: #444; font-weight: 600; }
    footer {
        margin-top: 20px; padding: 28px 0 36px; border-top: 1px solid var(--line);
        color: var(--muted); font-size: .8rem; text-align: center;
    }
    footer a { color: var(--muted); }
    footer .links { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; margin-bottom: 10px; }
    .seo-note { font-size: .88rem; color: var(--muted); }
    .notice-bar {
        background: #fff8e6; border: 1px solid #ffe2a8; color: #b45309;
        border-radius: 10px; padding: 10px 14px; font-size: .88rem; font-weight: 600;
        margin: 18px 0 8px; line-height: 1.6;
    }
    .bilingual {
        margin-top: 10px; padding-top: 10px; border-top: 1px dashed #eee;
        color: var(--muted); font-size: .86rem; line-height: 1.65;
    }
    .shot-grid {
        display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 12px;
    }
    .shot-card {
        background: #111; color: #fff; border-radius: 12px; padding: 18px 14px; min-height: 110px;
        display: flex; flex-direction: column; justify-content: flex-end;
        background-image: linear-gradient(135deg, #1a1a1a, #333 55%, rgba(255,202,24,.35));
    }
    .shot-card span { font-size: .82rem; font-weight: 600; line-height: 1.4; }
    .soft-grid {
        display: grid; grid-template-columns: 1fr; gap: 12px;
    }
    .soft-card {
        display: grid; grid-template-columns: 64px 1fr; gap: 12px;
        background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px;
    }
    .soft-card img {
        width: 64px; height: 64px; border-radius: 14px; object-fit: cover;
        box-shadow: 0 4px 12px rgba(0,0,0,.08);
    }
    .soft-card h3 { font-size: 1rem; margin: 0 0 4px; }
    .soft-card .stars { color: #d4a000; font-size: .82rem; margin-bottom: 6px; }
    .soft-card p { margin: 0; color: var(--sub); font-size: .86rem; }
    .soft-card a {
        display: inline-block; margin-top: 8px; font-size: .82rem; font-weight: 600;
        color: #111; background: var(--brand); padding: 4px 10px; border-radius: 999px;
        text-decoration: none;
    }
    .kw { font-weight: 700; }
    .comment-form {
        background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
        padding: 18px 16px; margin-bottom: 18px;
    }
    .comment-form .row { display: grid; gap: 10px; margin-bottom: 10px; }
    .comment-form input, .comment-form textarea {
        width: 100%; border: 1px solid #e5e5e5; border-radius: 10px;
        padding: 11px 12px; font: inherit; color: var(--text); background: #fafafa;
        outline: none; resize: vertical;
    }
    .comment-form input:focus, .comment-form textarea:focus {
        border-color: #ffca18; background: #fff; box-shadow: 0 0 0 3px rgba(255,202,24,.18);
    }
    .comment-form textarea { min-height: 96px; }
    .comment-form .form-actions {
        display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    .comment-form .captcha {
        display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .85rem;
    }
    .comment-form .captcha-box {
        min-width: 72px; height: 34px; border-radius: 8px; border: 1px dashed #ddd;
        display: inline-flex; align-items: center; justify-content: center;
        font-weight: 700; letter-spacing: .12em; color: #666; background: #f5f5f5;
        user-select: none;
    }
    .comment-form .captcha input { width: 88px; padding: 8px 10px; }
    .comment-form button {
        border: 0; border-radius: 10px; background: #111; color: #fff;
        padding: 11px 20px; font: inherit; font-weight: 600; cursor: pointer;
    }
    .comment-form button:active { transform: scale(.98); }
    .comment-tip {
        display: none; margin-top: 10px; font-size: .88rem; color: #9a7200;
        background: var(--brand-soft); border: 1px solid rgba(255,202,24,.3);
        border-radius: 8px; padding: 10px 12px;
    }
    .comment-tip.show { display: block; }
    .comment-head {
        display: flex; align-items: baseline; justify-content: space-between;
        gap: 12px; margin-bottom: 14px;
    }
    .comment-head .count { color: var(--muted); font-size: .9rem; }
    .comment-list { display: grid; gap: 12px; }
    .comment-item {
        background: #fff; border: 1px solid var(--line); border-radius: 12px;
        padding: 14px 14px 12px;
    }
    .comment-meta {
        display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
    }
    .avatar {
        width: 36px; height: 36px; border-radius: 50%;
        display: inline-flex; align-items: center; justify-content: center;
        font-size: .85rem; font-weight: 700; color: #7a5a00;
        background: linear-gradient(135deg, #ffe28a, #ffca18);
        flex-shrink: 0;
    }
    .comment-user { font-weight: 600; font-size: .95rem; color: #222; }
    .comment-time { color: var(--muted); font-size: .78rem; }
    .comment-body { color: #444; font-size: .94rem; line-height: 1.7; }
    .comment-tags { margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
    .comment-tags span {
        font-size: .72rem; color: #9a7200; background: var(--brand-soft);
        border-radius: 999px; padding: 2px 8px;
    }
    @media (min-width: 560px) {
        .comment-form .row.two { grid-template-columns: 1fr 1fr; }
    }
    @media (min-width: 760px) {
        .nav-links { display: flex; }
        .hero { grid-template-columns: 1.25fr .75fr; padding: 64px 0 48px; }
        .hero-visual { display: flex; }
        .features { grid-template-columns: 1fr 1fr; }
        .stats { gap: 14px; }
        .shot-grid { grid-template-columns: repeat(3, 1fr); }
        .soft-grid { grid-template-columns: 1fr 1fr; }
    }
