/* ============================================
   导师模拟器 · 桌面实验室 - 站点样式
   配色：青蓝（实验室 / 科技）+ 琥珀橙（像素活力）
   ============================================ */

:root {
    --c-primary: #0EA5A4;
    --c-primary-dark: #0B7C7B;
    --c-primary-light: #14B8B6;
    --c-primary-soft: #CFF3F2;
    --c-accent: #F59E0B;
    --c-accent-dark: #D97706;
    --c-accent-light: #FBBF24;

    --c-ink: #0F2A2E;
    --c-ink-soft: #334155;
    --c-body: #475569;
    --c-muted: #94A3B8;
    --c-line: #E2E8F0;

    --c-bg: #F8FAFC;
    --c-bg-2: #F1F8F8;
    --c-bg-dark: #062326;

    --grad-primary: linear-gradient(135deg, #0EA5A4 0%, #14B8B6 50%, #2DD4BF 100%);
    --grad-hero: linear-gradient(160deg, #ECFEFF 0%, #F0FDFA 40%, #FFFFFF 100%);
    --grad-cta: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    --grad-text: linear-gradient(120deg, #0EA5A4 0%, #14B8B6 50%, #F59E0B 100%);

    --shadow-sm: 0 2px 8px rgba(15, 42, 46, 0.06);
    --shadow-md: 0 10px 30px rgba(15, 42, 46, 0.08);
    --shadow-lg: 0 24px 60px rgba(15, 42, 46, 0.12);
    --shadow-primary: 0 16px 40px rgba(14, 165, 164, 0.28);
    --shadow-accent: 0 16px 40px rgba(245, 158, 11, 0.32);

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    --maxw: 1200px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--c-body);
    background: var(--c-bg);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}
.container-narrow { max-width: 860px; }

.section { padding: 110px 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 64px; }
.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--c-primary);
    background: var(--c-primary-soft);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 18px;
}
.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--c-ink);
    line-height: 1.25;
    letter-spacing: -0.01em;
}
.section-sub {
    margin-top: 16px;
    font-size: 17px;
    color: var(--c-body);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 700;
    border-radius: 999px;
    padding: 14px 28px;
    transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
    will-change: transform;
    white-space: nowrap;
}
.btn-lg { padding: 16px 34px; font-size: 17px; }
.btn-xl { padding: 20px 48px; font-size: 19px; }
.btn-primary {
    background: var(--grad-cta);
    color: #fff;
    box-shadow: var(--shadow-accent);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 22px 50px rgba(245, 158, 11, 0.42); }
.btn-primary:active { transform: translateY(-1px); }
.btn-ghost {
    background: rgba(255,255,255,.6);
    color: var(--c-ink);
    border: 1.5px solid var(--c-line);
    backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--c-primary); color: var(--c-primary-dark); transform: translateY(-3px); }

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all .35s var(--ease);
}
.nav.scrolled {
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: saturate(180%) blur(16px);
    box-shadow: 0 4px 24px rgba(15, 42, 46, 0.06);
    padding: 10px 0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
    width: 40px; height: 40px;
    border-radius: 10px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--c-primary-soft), #fff);
    box-shadow: var(--shadow-sm);
}
.brand-text {
    font-size: 19px;
    font-weight: 800;
    color: var(--c-ink);
    letter-spacing: 0.02em;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    color: var(--c-ink-soft);
    transition: all .25s var(--ease);
    position: relative;
}
.nav-link:hover { color: var(--c-primary-dark); background: var(--c-primary-soft); }
.nav-cta {
    background: var(--grad-cta);
    color: #fff !important;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
}
.nav-cta:hover { transform: translateY(-2px); background: var(--grad-cta); box-shadow: 0 12px 26px rgba(245, 158, 11, 0.42); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}
.nav-toggle span {
    width: 24px; height: 2.5px;
    background: var(--c-ink);
    border-radius: 2px;
    transition: all .3s var(--ease);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 80px;
    background: var(--grad-hero);
    overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(14,165,164,.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14,165,164,.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%);
}
.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: .55;
    animation: floatBlob 14s ease-in-out infinite;
}
.blob-1 { width: 480px; height: 480px; background: #5EEAD4; top: -120px; right: -80px; }
.blob-2 { width: 420px; height: 420px; background: #FCD34D; bottom: -140px; left: -100px; animation-delay: -7s; opacity: .4; }

@keyframes floatBlob {
    0%, 100% { transform: translate(0,0) scale(1); }
    50% { transform: translate(30px,-40px) scale(1.08); }
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(14,165,164,.18);
    padding: 8px 16px 8px 8px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary-dark);
    box-shadow: var(--shadow-sm);
    margin-bottom: 26px;
}
.badge-logo { width: 26px; height: 26px; border-radius: 50%; object-fit: cover; }
.hero-title {
    font-size: clamp(38px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    color: var(--c-ink);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}
.grad-text {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    font-size: 18px;
    color: var(--c-ink-soft);
    max-width: 540px;
    margin-bottom: 32px;
}
.hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 22px;
    background: rgba(255,255,255,.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--c-line);
    padding: 16px 26px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: 38px;
    flex-wrap: wrap;
}
.meta-item { display: flex; flex-direction: column; gap: 2px; }
.meta-label { font-size: 12px; color: var(--c-muted); font-weight: 600; letter-spacing: .04em; }
.meta-value { font-size: 17px; font-weight: 800; color: var(--c-ink); }
.meta-divider { width: 1px; height: 30px; background: var(--c-line); }

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Hero 截图叠加 ---------- */
.hero-shots {
    position: relative;
    height: 520px;
    perspective: 1400px;
}
.shot {
    position: absolute;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--c-primary-soft), #fff);
    border: 4px solid #fff;
    transition: transform .6s var(--ease-out), box-shadow .6s var(--ease-out);
    will-change: transform;
}
.shot img {
    width: 100%; height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, #CFF3F2 0%, #FEF3C7 100%);
}
.shot figcaption {
    position: absolute;
    left: 14px; bottom: 14px;
    background: rgba(15,42,46,.78);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 999px;
    backdrop-filter: blur(6px);
}
.shot-main {
    width: 78%; height: 100%;
    top: 0; right: 0;
    transform: rotate(2deg);
    z-index: 2;
    animation: shotFloatMain 8s ease-in-out infinite;
}
.shot-sub {
    width: 46%; height: 50%;
    box-shadow: var(--shadow-lg);
}
.shot-sub-1 {
    bottom: 8%; left: 0;
    transform: rotate(-6deg);
    z-index: 3;
    animation: shotFloat1 7s ease-in-out infinite;
}
.shot-sub-2 {
    top: 6%; left: 8%;
    transform: rotate(-3deg);
    z-index: 1;
    opacity: .92;
    animation: shotFloat2 9s ease-in-out infinite;
}
.hero-shots:hover .shot-main { transform: rotate(0deg) translateY(-8px); }
.hero-shots:hover .shot-sub-1 { transform: rotate(-2deg) translateY(-6px) translateX(6px); }
.hero-shots:hover .shot-sub-2 { transform: rotate(0deg) translateY(-4px); }

@keyframes shotFloatMain {
    0%, 100% { transform: rotate(2deg) translateY(0); }
    50% { transform: rotate(2deg) translateY(-12px); }
}
@keyframes shotFloat1 {
    0%, 100% { transform: rotate(-6deg) translateY(0); }
    50% { transform: rotate(-6deg) translateY(-8px); }
}
@keyframes shotFloat2 {
    0%, 100% { transform: rotate(-3deg) translateY(0); }
    50% { transform: rotate(-3deg) translateY(-14px); }
}

.shot-float { position: absolute; inset: 0; pointer-events: none; z-index: 4; }
.float-chip {
    position: absolute;
    font-size: 13px;
    font-weight: 800;
    padding: 8px 14px;
    border-radius: 999px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(8px);
    animation: chipFloat 5s ease-in-out infinite;
}
.chip-1 { top: 4%; right: 4%; background: rgba(245,158,11,.95); color: #fff; }
.chip-2 { bottom: 30%; right: -4%; background: rgba(14,165,164,.95); color: #fff; animation-delay: -1.5s; }
.chip-3 { bottom: 2%; left: 38%; background: rgba(255,255,255,.95); color: var(--c-accent-dark); animation-delay: -3s; }

@keyframes chipFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-hint {
    position: absolute;
    bottom: 28px; left: 50%;
    transform: translateX(-50%);
    width: 26px; height: 42px;
    border: 2px solid var(--c-primary);
    border-radius: 999px;
    z-index: 2;
}
.scroll-hint span {
    position: absolute;
    top: 8px; left: 50%;
    width: 4px; height: 8px;
    background: var(--c-primary);
    border-radius: 2px;
    transform: translateX(-50%);
    animation: scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot {
    0% { opacity: 0; transform: translate(-50%, 0); }
    40% { opacity: 1; }
    100% { opacity: 0; transform: translate(-50%, 16px); }
}

/* ---------- Features ---------- */
.features { background: var(--c-bg-2); }
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.feature-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 38px 32px;
    border: 1px solid var(--c-line);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s var(--ease);
}
.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
    width: 64px; height: 64px;
    border-radius: var(--radius-md);
    display: grid; place-items: center;
    background: var(--c-primary-soft);
    color: var(--c-primary-dark);
    margin-bottom: 22px;
    transition: all .4s var(--ease);
}
.feature-card:hover .feature-icon {
    background: var(--grad-primary);
    color: #fff;
    transform: rotate(-6deg) scale(1.05);
}
.feature-card h3 {
    font-size: 21px;
    font-weight: 800;
    color: var(--c-ink);
    margin-bottom: 12px;
}
.feature-card p { color: var(--c-body); font-size: 15.5px; }

/* ---------- Reviews ---------- */
.reviews { background: var(--c-bg); }
.review-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 56px;
}
.stat-box {
    text-align: center;
    background: linear-gradient(160deg, #fff, var(--c-bg-2));
    border: 1px solid var(--c-line);
    border-radius: var(--radius-md);
    padding: 28px 16px;
    transition: transform .4s var(--ease), box-shadow .4s var(--ease);
}
.stat-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat-num {
    display: block;
    font-size: 38px;
    font-weight: 900;
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--c-body); font-weight: 600; }

.review-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}
.review-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 34px;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease);
    position: relative;
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-stars { color: var(--c-accent); font-size: 18px; letter-spacing: 3px; margin-bottom: 16px; }
.review-text {
    font-size: 16.5px;
    color: var(--c-ink-soft);
    line-height: 1.75;
    margin-bottom: 24px;
    font-style: italic;
}
.review-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--grad-primary);
    color: #fff;
    display: grid; place-items: center;
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}
.review-author strong { display: block; color: var(--c-ink); font-size: 15px; }
.review-author small { color: var(--c-muted); font-size: 13px; }

/* ---------- FAQ ---------- */
.faq { background: var(--c-bg-2); }
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item {
    background: #fff;
    border: 1px solid var(--c-line);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.faq-item[open] {
    border-color: var(--c-primary-light);
    box-shadow: var(--shadow-md);
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    font-size: 17px;
    font-weight: 700;
    color: var(--c-ink);
    user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
    flex-shrink: 0;
    width: 22px; height: 22px;
    position: relative;
    transition: transform .35s var(--ease);
}
.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background: var(--c-primary);
    border-radius: 2px;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
}
.faq-icon::before { width: 14px; height: 2.4px; }
.faq-icon::after { width: 2.4px; height: 14px; transition: transform .35s var(--ease); }
.faq-item[open] .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-item[open] .faq-icon { transform: rotate(180deg); }
.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s var(--ease);
}
.faq-item[open] .faq-body { max-height: 400px; }
.faq-body p {
    padding: 0 26px 24px;
    color: var(--c-body);
    font-size: 15.5px;
    line-height: 1.8;
}

/* ---------- Download ---------- */
.download { background: var(--c-bg-dark); position: relative; overflow: hidden; }
.download::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(14,165,164,.25), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(245,158,11,.18), transparent 50%);
    pointer-events: none;
}
.download-card {
    position: relative;
    background: linear-gradient(135deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius-xl);
    padding: 72px 48px;
    text-align: center;
    overflow: hidden;
}
.download-deco {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.deco-chip {
    position: absolute;
    font-size: 13px;
    font-weight: 800;
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    color: rgba(255,255,255,.5);
    border: 1px solid rgba(255,255,255,.1);
    animation: chipFloat 6s ease-in-out infinite;
}
.deco-chip:nth-child(1) { top: 12%; left: 8%; }
.deco-chip:nth-child(2) { top: 22%; right: 10%; animation-delay: -1s; }
.deco-chip:nth-child(3) { bottom: 18%; left: 12%; animation-delay: -2s; }
.deco-chip:nth-child(4) { bottom: 12%; right: 8%; animation-delay: -3s; }

.download-content { position: relative; z-index: 1; }
.download .section-tag {
    background: rgba(245,158,11,.18);
    color: var(--c-accent-light);
}
.download-title {
    font-size: clamp(30px, 4.5vw, 46px);
    font-weight: 900;
    color: #fff;
    margin-bottom: 18px;
    line-height: 1.2;
}
.download-desc {
    font-size: 18px;
    color: rgba(255,255,255,.75);
    max-width: 620px;
    margin: 0 auto 40px;
}
.download-btn {
    animation: pulseGlow 2.6s ease-in-out infinite;
}
@keyframes pulseGlow {
    0%, 100% { box-shadow: var(--shadow-accent); }
    50% { box-shadow: 0 20px 56px rgba(245,158,11,.6), 0 0 0 8px rgba(245,158,11,.12); }
}
.download-meta {
    margin-top: 28px;
    display: inline-flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
    color: rgba(255,255,255,.7);
    font-size: 14.5px;
}
.download-meta strong { color: #fff; font-weight: 700; }
.download-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.3); }

/* ---------- Footer ---------- */
.footer {
    background: var(--c-bg-dark);
    color: rgba(255,255,255,.6);
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,.08);
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-brand .brand-logo { width: 36px; height: 36px; }
.footer-brand strong { display: block; color: #fff; font-size: 15px; }
.footer-brand small { font-size: 12px; color: rgba(255,255,255,.5); }
.footer-copy { font-size: 13px; }

/* ---------- Reveal 动画 ---------- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
    .hero-inner { grid-template-columns: 1fr; gap: 56px; }
    .hero-shots { height: 440px; max-width: 540px; margin: 0 auto; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .review-stats { grid-template-columns: repeat(2, 1fr); }
    .review-grid { grid-template-columns: 1fr; }
    .section { padding: 80px 0; }
}
@media (max-width: 720px) {
    .nav-links {
        position: fixed;
        top: 0; right: 0;
        height: 100vh;
        width: 78%;
        max-width: 320px;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 90px 24px 24px;
        gap: 6px;
        box-shadow: -20px 0 60px rgba(15,42,46,.18);
        transform: translateX(110%);
        transition: transform .4s var(--ease);
        z-index: 99;
    }
    .nav-links.open { transform: translateX(0); }
    .nav-link { padding: 14px 18px; font-size: 16px; border-radius: 12px; }
    .nav-cta { margin-top: 8px; text-align: center; }
    .nav-toggle { display: flex; z-index: 101; }

    .hero { padding: 120px 0 70px; }
    .hero-meta { gap: 14px; padding: 14px 18px; }
    .meta-divider { display: none; }
    .hero-shots { height: 360px; }
    .shot-main { width: 84%; }
    .shot-sub { width: 50%; height: 46%; }

    .feature-grid { grid-template-columns: 1fr; }
    .review-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .stat-num { font-size: 30px; }
    .download-card { padding: 48px 22px; }
    .btn-xl { padding: 18px 30px; font-size: 17px; width: 100%; }
    .section-head { margin-bottom: 44px; }
    .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 420px) {
    .hero-title { font-size: 38px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; }
    .shot-sub-2 { display: none; }
    .shot-main { width: 92%; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
}