:root {
    --bg: #f7f4f0;
    --bg-hero: #fffdfb;
    --card: #fff;
    --text: #1a1a1a;
    --muted: #5c5c5c;
    --accent: #b81c32;
    --accent-deep: #8f1528;
    --accent-glow: rgba(184, 28, 50, 0.12);
    --border: #ebe4dc;
    --shadow-lg: 0 24px 64px rgba(26, 20, 18, 0.12);
    --shadow-shot: 0 32px 80px rgba(26, 20, 18, 0.2);
    --max: 1280px;
    --nav-h: 64px;
}
* { box-sizing: border-box; }
html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-h);
    overflow-x: clip;
}
body {
    margin: 0;
    padding-top: var(--nav-h);
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

/* 顶部悬浮导航 */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-h);
    background: rgba(255, 253, 251, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.site-header.is-scrolled {
    background: rgba(255, 253, 251, 0.94);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 24px rgba(26, 20, 18, 0.06);
}
.site-header__inner {
    max-width: var(--max);
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 700;
    font-size: 1.05rem;
    flex-shrink: 0;
}
.site-brand img {
    width: 48px;
}
.site-brand__lockup {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: nowrap;
}
.site-brand em {
    font-style: normal;
    color: var(--accent);
    font-weight: 800;
    margin-left: 6px;
}
.brand-pro-badge {
    display: inline-flex;
    align-items: center;
    gap: 1px;
    padding: 4px 9px 4px 8px;
    font-size: 0.58rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.04em;
    color: #fff;
    background: linear-gradient(135deg, #2a2224 0%, var(--accent-deep) 42%, var(--accent) 100%);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow:
        0 2px 10px rgba(184, 28, 50, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.18);
    transform: translateY(-0.5px);
}
.brand-pro-badge__pro {
    opacity: 0.92;
    font-weight: 700;
}
.brand-pro-badge__max {
    font-weight: 900;
    letter-spacing: 0.06em;
    background: linear-gradient(180deg, #fff 30%, #ffe8ec 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
    filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.15));
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}
.site-nav a {
    padding: 8px 14px;
    font-size: 0.92rem;
    color: var(--muted);
    text-decoration: none;
    border-radius: 8px;
    transition: color 0.15s, background 0.15s;
}
.site-nav a:hover {
    color: var(--accent);
    background: var(--accent-glow);
}
.site-nav__cta {
    margin-left: 6px;
    padding: 9px 18px !important;
    font-size: 0.9rem !important;
    font-weight: 600;
    color: #fff !important;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    box-shadow: 0 4px 14px rgba(184, 28, 50, 0.28);
}
.site-nav__cta:hover {
    background: linear-gradient(135deg, var(--accent-deep), var(--accent)) !important;
    transform: translateY(-1px);
}
.site-nav__feedback {
    margin: 0;
    padding: 8px 14px;
    border: 0;
    background: none;
    font: inherit;
    font-size: 0.92rem;
    color: var(--muted);
    cursor: pointer;
    border-radius: 8px;
    transition: color 0.15s, background 0.15s;
}
.site-nav__feedback:hover {
    color: var(--accent);
    background: var(--accent-glow);
}
.header-feedback-btn {
    display: none;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--accent);
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.header-feedback-btn:hover {
    background: var(--accent-glow);
    border-color: rgba(184, 28, 50, 0.28);
    transform: translateY(-1px);
}

.hero-screen {
    position: relative;
    overflow: hidden;
    
    background:
        radial-gradient(ellipse 80% 60% at 75% 15%, var(--accent-glow) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 8% 85%, rgba(201, 162, 39, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-hero) 0%, var(--bg) 100%);
}
.hero-screen::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(184, 28, 50, 0.04) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
    mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}
.hero-inner {
    position: relative;
    z-index: 1;
    max-width: var(--max);
    margin: 0 auto;
    padding: 40px 28px 56px;
    display: grid;
    grid-template-columns: minmax(280px, 0.58fr) minmax(300px, 1.02fr);
    gap: 28px 36px;
    align-items: center;
    
}

.hero-copy { max-width: 480px; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    margin-bottom: 24px;
    font-size: clamp(0.92rem, 1.6vw, 1.05rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #0f5c35;
    background: linear-gradient(135deg, rgba(42, 158, 95, 0.14), rgba(42, 158, 95, 0.06));
    border: 1px solid rgba(42, 158, 95, 0.3);
    border-radius: 999px;
    box-shadow: 0 6px 20px rgba(42, 158, 95, 0.1);
}
.hero-badge::before {
    content: "";
    flex-shrink: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #1a7a47;
    animation: hero-badge-dot-ripple 2s ease-out infinite;
}
.hero-badge::after {
    display: none;
}
.hero-badge strong {
    color: #1a7a47;
    font-weight: 800;
}
@keyframes hero-badge-dot-ripple {
    0% {
        box-shadow:
            0 0 0 3px rgba(42, 158, 95, 0.22),
            0 0 0 0 rgba(42, 158, 95, 0.45);
    }
    70% {
        box-shadow:
            0 0 0 3px rgba(42, 158, 95, 0.12),
            0 0 0 14px rgba(42, 158, 95, 0);
    }
    100% {
        box-shadow:
            0 0 0 3px rgba(42, 158, 95, 0.22),
            0 0 0 0 rgba(42, 158, 95, 0);
    }
}
@media (prefers-reduced-motion: reduce) {
    .hero-badge::before {
        animation: none;
        box-shadow: 0 0 0 3px rgba(42, 158, 95, 0.2);
    }
}
.hero-copy h1 {
    margin: 0 0 12px;
    font-size: clamp(2.2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.02em;
}
.hero-copy h1 .hero-highlight {
    position: relative;
    z-index: 1;
    display: block;
    width: fit-content;
    max-width: 100%;
    margin-top: 6px;
    font-size: 0.9em;
    font-weight: 800;
    color: var(--text);
}
.hero-copy h1 .hero-highlight::before {
    content: "";
    position: absolute;
    z-index: -1;
    left: -0.12em;
    right: -0.4em;
    bottom: 0.12em;
    height: 0.48em;
    background: #ffe4b8;
    border-radius: 2px;
}
.hero-tagline {
    margin: 0 0 16px;
    font-size: clamp(1rem, 2vw, 1.28rem);
    color: var(--muted);
    letter-spacing: 0.18em;
}
.hero-desc {
    margin: 0 0 28px;
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.72;
}
.hero-mark {
    margin: 0;
    padding: 0.05em 0.18em;
    color: inherit;
    font: inherit;
    background: linear-gradient(transparent 52%, rgba(184, 28, 50, 0.18) 52%);
    border-radius: 2px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}
.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}
.cta-row--equal {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
    max-width: 440px;
}
.cta-row--equal .cta-btn {
    width: 100%;
    min-width: 0;
}
.btn-mobile-wrap {
    position: relative;
    display: block;
    min-width: 0;
}
.cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 168px;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    font-family: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}
.cta-btn:hover { transform: translateY(-2px); }
.cta-btn__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 0.85rem;
    line-height: 1;
}
.cta-primary .cta-btn__icon {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}
.cta-btn:hover { transform: translateY(-2px); }
.cta-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
    color: #fff;
    box-shadow: 0 10px 28px rgba(184, 28, 50, 0.32);
}
.cta-secondary {
    background: #fff;
    color: var(--accent);
    border: 2px solid rgba(184, 28, 50, 0.3);
}
.cta-secondary .cta-btn__icon {
    background: rgba(184, 28, 50, 0.1);
}
.cta-hint { font-size: 0.82rem; color: #888; }

/* —— 截图轮播 —— */
.hero-showcase {
    position: relative;
    width: 100%;
    min-height: clamp(260px, 40vw, 500px);
    display: flex;
    flex-direction: column;
}
.showcase-glow {
    position: absolute;
    width: 95%;
    height: 80%;
    left: 2%;
    top: 8%;
    background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 68%);
    filter: blur(48px);
    pointer-events: none;
}
.showcase-carousel {
    position: relative;
    width: 100%;
    flex: 1;
    min-height: clamp(220px, 34vw, 340px);
    overflow: visible;
}
.showcase-slides {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: inherit;
}
.showcase-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.55s ease, visibility 0.55s;
    pointer-events: none;
}
.showcase-slide.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    z-index: 1;
}

.showcase-pc {
    position: relative;
    z-index: 2;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-shot);
    border: 1px solid rgba(255,255,255,0.85);
    background: #fff;
}
.showcase-pc::before {
    content: "";
    display: block;
    height: 26px;
    background: linear-gradient(180deg, #f0ebe6, #e8e2dc);
    border-bottom: 1px solid var(--border);
}
.showcase-pc .shot-media,
.showcase-pc img {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: top;
}
.shot-placeholder {
    aspect-ratio: 16 / 10;
    min-height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(145deg, #faf7f4, #ebe6e0);
    color: #999;
    font-size: 0.85rem;
    text-align: center;
    padding: 16px;
}
.shot-placeholder .ico { font-size: 2.2rem; opacity: 0.35; }

.showcase-mobile-wrap {
    position: absolute;
    z-index: 4;
    right: -100px;
    bottom: -100px;
    width: 32%;
    min-width: 110px;
    max-width: 180px;
}

.showcase-mobile {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 18px 44px rgba(0,0,0,.2);
    border: 3px solid #fff;
    background: #fff;
}
.showcase-mobile .shot-media,
.showcase-mobile img {
    display: block;
    width: 100%;
    height: auto;
}
.showcase-mobile .shot-placeholder {
    aspect-ratio: 9 / 19;
    min-height: 180px;
    font-size: 0.7rem;
}

/* 桌面：悬停「手机版」按钮显示二维码 */
.mobile-qr-popover {
    display: none;
    position: absolute;
    left: 50%;
    bottom: calc(100% + 14px);
    width: 188px;
    margin-left: -94px;
    padding: 12px 12px 10px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 16px 48px rgba(0,0,0,.18);
    border: 1px solid var(--border);
    text-align: center;
    z-index: 30;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
    pointer-events: none;
}
body.is-desktop .mobile-qr-popover { display: block; }
body.is-desktop .btn-mobile-wrap.is-qr-visible .mobile-qr-popover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mobile-qr-popover::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -7px;
    width: 14px;
    height: 14px;
    margin-left: -7px;
    background: #fff;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transform: rotate(45deg);
}
.mobile-qr-popover-tip {
    margin: 0 0 8px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--accent);
}
#mobileQrHost {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
}
#mobileQrHost img { display: block; margin: 0 auto; }
#mobileQrHost .qr-loading { font-size: 0.8rem; color: #aaa; }

/* 轮播指示点（展示区最底部） */
.showcase-controls {
    position: relative;
    z-index: 6;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 0 2px;
    margin-top: auto;
}
.showcase-dots {
    pointer-events: auto;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}
.showcase-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: #d4ccc4;
    cursor: pointer;
    transition: width 0.25s, background 0.25s;
}
.showcase-dot.is-active {
    width: 24px;
    border-radius: 4px;
    background: var(--accent);
}
.hero-stats {
    position: relative;
    z-index: 2;
    max-width: var(--max);
    margin: 24px auto 0;
    padding: 0 28px 48px;
}
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.stat-item {
    background: var(--card);
    padding: 20px 16px;
    text-align: center;
}
.stat-item strong {
    display: block;
    font-size: 1.15rem;
    color: var(--accent);
    margin-bottom: 4px;
    font-weight: 700;
}
.stat-item span { font-size: 0.85rem; color: var(--muted); }

.features-band {
    background: var(--bg);
    border-top: 1px solid var(--border);
}
.main {
    max-width: var(--max);
    margin: 0 auto;
    padding: 56px 28px 72px;
}
.section-head {
    text-align: center;
    margin-bottom: 36px;
    padding-top: 0;
}
.section-head h2 {
    margin: 0 0 8px;
    font-size: clamp(1.5rem, 3vw, 1.9rem);
    font-weight: 700;
}
.section-head p { margin: 0; color: var(--muted); }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 56px;
}
.feature-card {
    display: grid;
    grid-template-columns: 2.25rem 1fr;
    column-gap: 12px;
    row-gap: 10px;
    align-items: center;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px 22px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.feature-card .icon {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
    font-size: 1.85rem;
    line-height: 1;
}
.feature-card h3 {
    grid-column: 2;
    grid-row: 1;
    margin: 0;
    font-size: 1.35rem;
    font-weight: 600;
}
.feature-card p {
    grid-column: 1 / -1;
    grid-row: 2;
    margin: 0;
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
}

.bottom-cta {
    text-align: center;
    padding: 48px 32px;
    background: linear-gradient(135deg, #fff, var(--accent-glow));
    border-radius: 18px;
    border: 1px solid var(--border);
    margin-bottom: 40px;
}
.bottom-cta h2 { margin: 0 0 10px; font-size: 1.6rem; }
.bottom-cta p { margin: 0 0 24px; color: var(--muted); }
.bottom-cta .cta-row { justify-content: center; margin-bottom: 0; }

.links-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.link-chip {
    padding: 9px 18px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
}
.link-chip:hover { background: var(--accent-glow); }

footer {
    text-align: center;
    color: var(--muted);
    font-size: 0.86rem;
    margin-top: 28px;
    border-top: 1px solid var(--border);
}
.color-red { color: var(--accent); }

@media (max-width: 900px) {
    .header-feedback-btn { display: inline-flex; }
    .site-nav { display: none !important; }
}

/* —— 响应式 —— */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: 28px;
        padding: 32px 20px 40px;
    }
    .hero-copy {
        max-width: 640px;
        margin: 0 auto;
        text-align: center;
    }
    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-copy h1 .hero-highlight {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .cta-row { justify-content: center; }
    .cta-row--equal {
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    body.is-mobile-entry .hero-guide-row {
        max-width: 420px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-showcase {
        max-width: 560px;
        margin: 0 auto;
        min-height: 260px;
    }
    .showcase-slides { min-height: 240px; }
    .showcase-mobile-wrap {
        width: 32%;
        max-width: 180px;
        right: 100px;
        bottom: 40px;
    }
}

@media (max-width: 600px) {
    .site-brand__lockup { gap: 6px; }
    .brand-pro-badge {
        padding: 3px 7px;
        font-size: 0.52rem;
        border-radius: 5px;
    }
    .hero-screen { min-height: auto; }
    .hero-inner { padding: 24px 16px 32px; }
    .hero-stats { padding: 0 16px 32px; margin-top: 25px; }
    .main { padding: 40px 16px 48px; }
    .tutorial-section { padding: 36px 16px 40px; }
    .cta-btn { width: 100%; min-width: 0; }
    .cta-row--equal { grid-template-columns: 1fr; max-width: none; }
    body.is-mobile-entry .hero-guide-row { max-width: none; }
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .stat-item { padding: 16px 12px; }
    .stat-item strong { font-size: 1rem; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card {
        grid-template-columns: 2rem 1fr;
        row-gap: 8px;
        padding: 18px 16px;
    }
    .feature-card .icon { font-size: 1.5rem; }
    .feature-card h3 { font-size: 1rem; }
    .bottom-cta { padding: 36px 20px; }
    .showcase-mobile-wrap {
        width: 38%;
        min-width: 110px;
        max-width: 150px;
        right: 30%;
        bottom: -60px;
    }
    .hero-tagline { letter-spacing: 0.1em; }
    .mobile-qr-hint-mobile {
        display: block;
        text-align: center;
        font-size: 0.8rem;
        color: var(--accent);
        margin-top: 8px;
    }
}
.mobile-qr-hint-mobile { display: none; }

/* —— 教学视频 —— */
.hero-guide-row {
    margin: 14px 0 0;
}
.cta-entry--m,
.guide-label--m {
    display: none;
}
.hero-guide-row .help-link {
    display: none;
}
.help-link {
    align-items: center;
    gap: 8px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--muted);
    text-decoration: none;
}
.help-link__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 0.68rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    box-shadow: 0 4px 12px rgba(184, 28, 50, 0.35);
}
.tutorial-trigger {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    padding: 0;
    border: 0;
    background: none;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.15s, opacity 0.15s;
}
.tutorial-trigger:hover { color: var(--accent-deep); }
.tutorial-trigger__play {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.65rem;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-deep));
    box-shadow: 0 4px 12px rgba(184, 28, 50, 0.35);
    text-decoration: none;
}

/* 手机端：隐藏电脑版入口，教学视频做成按钮，电脑演示图加灰罩 */
body.is-mobile-entry .btn-mobile-wrap,
body.is-mobile-entry .js-pc-only {
    display: none !important;
}
body.is-mobile-entry .cta-row--equal {
    grid-template-columns: 1fr;
}
body.is-mobile-entry .cta-entry--pc,
body.is-mobile-entry .guide-label--pc {
    display: none;
}
body.is-mobile-entry .cta-entry--m {
    display: inline-flex;
}
body.is-mobile-entry .guide-label--m {
    display: inline-flex;
}
body.is-mobile-entry .cta-row--equal .cta-btn {
    justify-content: flex-start;
    padding-left: 22px;
    padding-right: 20px;
}
body.is-mobile-entry .hero-guide-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
    max-width: 440px;
}
body.is-mobile-entry .hero-guide-row .help-link {
    display: inline-flex;
}
body.is-mobile-entry .hero-guide-row .tutorial-trigger,
body.is-mobile-entry .hero-guide-row .help-link {
    width: 100%;
    min-height: 48px;
    margin: 0;
    padding: 10px 8px 10px 12px;
    border: 2px solid rgba(184, 28, 50, 0.3);
    border-radius: 12px;
    background: #fff;
    color: var(--accent);
    font-size: 0.84rem;
    font-weight: 600;
    text-decoration: none;
    justify-content: flex-start;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(26, 20, 18, 0.06);
    box-sizing: border-box;
}
body.is-mobile-entry .hero-guide-row .tutorial-trigger:hover,
body.is-mobile-entry .hero-guide-row .help-link:hover {
    color: var(--accent-deep);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(184, 28, 50, 0.16);
}
body.is-mobile-entry .hero-guide-row .tutorial-trigger__play,
body.is-mobile-entry .hero-guide-row .help-link__icon {
    width: 22px;
    height: 22px;
    font-size: 0.58rem;
}
body.is-mobile-entry .showcase-pc img,
body.is-mobile-entry .showcase-pc .shot-media {
    filter: grayscale(0.35);
}
body.is-mobile-entry .showcase-pc::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 3;
    background: rgba(70, 66, 62, 0.48);
    pointer-events: none;
}

@media (max-width: 768px) {
    .btn-mobile-wrap,
    .js-pc-only {
        display: none !important;
    }
    .cta-row--equal {
        grid-template-columns: 1fr;
    }
    .cta-entry--pc,
    .guide-label--pc {
        display: none;
    }
    .cta-entry--m {
        display: inline-flex;
    }
    .guide-label--m {
        display: inline-flex;
    }
    .cta-row--equal .cta-btn {
        justify-content: flex-start;
        padding-left: 22px;
        padding-right: 20px;
    }
    .hero-guide-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        width: 100%;
    }
    .hero-guide-row .help-link {
        display: inline-flex;
    }
    .hero-guide-row .tutorial-trigger,
    .hero-guide-row .help-link {
        width: 100%;
        min-height: 48px;
        margin: 0;
        padding: 10px 8px 10px 12px;
        border: 2px solid rgba(184, 28, 50, 0.3);
        border-radius: 12px;
        background: #fff;
        color: var(--accent);
        font-size: 0.84rem;
        font-weight: 600;
        text-decoration: none;
        justify-content: flex-start;
        gap: 8px;
        box-shadow: 0 4px 14px rgba(26, 20, 18, 0.06);
        box-sizing: border-box;
    }
    .hero-guide-row .tutorial-trigger:hover,
    .hero-guide-row .help-link:hover {
        color: var(--accent-deep);
        transform: translateY(-2px);
    }
    .hero-guide-row .tutorial-trigger__play,
    .hero-guide-row .help-link__icon {
        width: 22px;
        height: 22px;
        font-size: 0.58rem;
    }
    .showcase-pc img,
    .showcase-pc .shot-media {
        filter: grayscale(0.35);
    }
    .showcase-pc::after {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 3;
        background: rgba(70, 66, 62, 0.48);
        pointer-events: none;
    }
}

.tutorial-section {
    margin: 0;
    padding: 48px 24px 52px;
    background: var(--bg-hero);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(26, 20, 18, 0.04);
}
.tutorial-section__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
}
.tutorial-section__head {
    text-align: center;
    margin-bottom: 22px;
}
.tutorial-section__head h2 {
    margin: 0 0 8px;
    font-size: clamp(1.35rem, 2.5vw, 1.65rem);
    font-weight: 700;
}
.tutorial-section__head p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}
.tutorial-poster {
    display: block;
    position: relative;
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 0;
    border: 0;
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    background: #1a1a1a;
    aspect-ratio: 16 / 9;
    font-family: inherit;
    transition: transform 0.2s, box-shadow 0.2s;
}
.tutorial-poster:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 48px rgba(26, 20, 18, 0.18);
}
.tutorial-poster__media {
    position: absolute;
    inset: 0;
    background-color: #2a2224;
    background-image: linear-gradient(135deg, #1f1a1b 0%, #4a2030 48%, var(--accent-deep) 100%);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
.tutorial-poster__media.is-poster-loaded {
    background-image: linear-gradient(135deg, rgba(0,0,0,0.2), rgba(0,0,0,0.35)), var(--tutorial-poster-url);
}
.tutorial-poster__media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.08) 0%, rgba(0,0,0,0.45) 100%);
}
.tutorial-poster__play {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 2;
    transform: translate(-50%, -50%);
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    transition: transform 0.2s;
}
.tutorial-poster__play span {
    margin-left: 4px;
    font-size: 1.5rem;
    color: var(--accent);
}
.tutorial-poster:hover .tutorial-poster__play { transform: translate(-50%, -50%) scale(1.06); }
.tutorial-poster__label {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 14px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    text-align: center;
}

.tutorial-modal {
    position: fixed;
    inset: 0;
    z-index: 11000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.tutorial-modal.is-open { display: flex !important; }
.tutorial-modal__backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: rgba(20, 16, 18, 0.72);
    backdrop-filter: blur(4px);
}
.tutorial-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(920px, 100%);
    max-height: calc(100vh - 40px);
    display: flex;
    flex-direction: column;
    background: #111;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.45);
}
.tutorial-modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: #1a1a1a;
    color: #fff;
}
.tutorial-modal__head h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}
.tutorial-modal__close {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}
.tutorial-modal__close:hover { background: rgba(255, 255, 255, 0.18); }
.tutorial-modal__body {
    position: relative;
    background: #000;
    aspect-ratio: 16 / 9;
}
.tutorial-modal__iframe,
.tutorial-modal__video {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 240px;
    border: 0;
    vertical-align: top;
}
.tutorial-modal__empty {
    margin: 0;
    padding: 32px 24px;
    color: #ccc;
    text-align: center;
    line-height: 1.7;
    font-size: 0.95rem;
}
.tutorial-modal__empty code {
    color: #ffb4c0;
    font-size: 0.88em;
}
body.tutorial-modal-open { overflow: hidden; }

.feedback-modal {
    position: fixed;
    inset: 0;
    z-index: 11000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.feedback-modal.is-open { display: flex !important; }
.feedback-modal__backdrop {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: rgba(20, 16, 18, 0.72);
    backdrop-filter: blur(4px);
}
.feedback-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(400px, 100%);
    max-height: calc(100vh - 40px);
    overflow: auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.35);
}
.feedback-modal__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px 0;
}
.feedback-modal__head h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
}
.feedback-modal__close {
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}
.feedback-modal__close:hover { background: var(--border); }
.feedback-modal__body {
    padding: 8px 22px 24px;
    text-align: center;
}
.feedback-modal__lead {
    margin: 4px 0 16px;
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.7;
}
.feedback-qr {
    display: block;
    width: 100%;
    max-width: 260px;
    margin: 0 auto;
    border-radius: 10px;
}
.feedback-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 18px;
    padding: 12px 20px;
    border-radius: 10px;
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
}
.feedback-link:hover { background: rgba(184, 28, 50, 0.18); }
body.feedback-modal-open { overflow: hidden; }

@media (max-width: 600px) {
    .tutorial-poster__play {
        width: 56px;
        height: 56px;
    }
    .tutorial-poster__play span { font-size: 1.2rem; }
}