:root {
    --bg: #FFF9FC;
    --surface: #FFFFFF;
    --pink-soft: #FFF1F6;
    --purple-soft: #F6F3FF;
    --gray-soft: #F8F6F7;
    --title: #31262C;
    --text: #51454C;
    --muted: #7C6E75;
    --hint: #A2949B;
    --pink: #FF5C98;
    --berry: #D9467B;
    --peach: #FF96AD;
    --purple: #8B74E8;
    --purple-deep: #6250B0;
    --border: rgba(255, 92, 152, 0.15);
    --shadow: 0 14px 38px rgba(70, 44, 58, 0.08);
    --shadow-strong: 0 20px 48px rgba(217, 70, 123, 0.14);
    --gradient: linear-gradient(135deg, #FF96AD 0%, #FF5C98 50%, #8B74E8 100%);
    --footer: #30252B;
    --footer-text: #FFEAF2;
    --max: 1220px;
    --header-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
    margin: 0;
    min-width: 320px;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.mobile-menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
button { color: inherit; }
::selection { background: rgba(255, 92, 152, 0.22); }

.skip-link {
    position: fixed; left: 16px; top: -80px; z-index: 3000;
    padding: 12px 18px; background: var(--title); color: #fff; border-radius: 12px;
}
.skip-link:focus { top: 12px; }
a:focus-visible, button:focus-visible, summary:focus-visible {
    outline: 3px solid rgba(139, 116, 232, 0.5);
    outline-offset: 3px;
}

.site-header {
    position: fixed; inset: 0 0 auto; z-index: 1200;
    height: var(--header-h);
    background: rgba(255, 249, 252, 0.92);
    border-bottom: 1px solid rgba(255, 92, 152, 0.10);
    backdrop-filter: blur(16px);
}
.desktop-nav {
    position: relative;
    width: min(calc(100% - 40px), var(--max));
    height: 100%; margin: 0 auto;
    display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px;
}
.nav-side { display: flex; align-items: center; gap: 8px; min-width: 0; }
.nav-left { justify-content: flex-start; }
.nav-right { justify-content: flex-end; }
.nav-link {
    position: relative; display: inline-flex; align-items: center; justify-content: center;
    min-height: 44px; padding: 0 14px; white-space: nowrap; border-radius: 999px;
    color: var(--muted); font-size: 15px; font-weight: 650;
}
.nav-link:hover, .nav-link.is-active { color: var(--berry); background: var(--pink-soft); }
.nav-link.is-active::after {
    content: ""; position: absolute; left: 50%; bottom: 4px; width: 18px; height: 3px;
    border-radius: 999px; background: var(--gradient); transform: translateX(-50%); pointer-events: none;
}
.brand-center { display: inline-flex; align-items: center; justify-content: center; min-width: 170px; min-height: 52px; }
.brand-logo, .mobile-brand-logo, .footer-brand-logo, .drawer-brand-logo { object-fit: contain; }
.brand-logo { width: 158px; max-height: 46px; }
.brand-text { color: var(--title); font-size: 24px; font-weight: 900; letter-spacing: -0.03em; white-space: nowrap; }
.round-menu-button {
    width: 46px; height: 46px; flex: 0 0 auto; border: 0; border-radius: 50%;
    background: var(--surface); box-shadow: var(--shadow); cursor: pointer;
    display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.round-menu-button span { width: 18px; height: 2px; border-radius: 9px; background: var(--berry); pointer-events: none; }
.round-menu-button:hover { transform: translateY(-1px); box-shadow: var(--shadow-strong); }
.mobile-nav { display: none; }
.site-main { padding-top: var(--header-h); min-height: 65vh; }

.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 88px 0; }
.section-tight { padding: 58px 0; }
.section-soft { background: var(--pink-soft); }
.section-purple { background: var(--purple-soft); }
.section-gray { background: var(--gray-soft); }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading.center { margin-inline: auto; text-align: center; }
.eyebrow { display: inline-block; color: var(--berry); font-weight: 800; font-size: 14px; letter-spacing: 0.12em; }
h1, h2, h3, h4 { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(40px, 6vw, 76px); letter-spacing: -0.055em; margin-bottom: 22px; }
h2 { font-size: clamp(30px, 4vw, 46px); letter-spacing: -0.035em; margin-bottom: 16px; }
h3 { font-size: 22px; margin-bottom: 10px; }
p { margin-top: 0; }
.lead { font-size: 18px; color: var(--muted); }
.muted { color: var(--muted); }
.small-note { color: var(--hint); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--berry); font-weight: 800; }
.text-link::after { content: "→"; margin-left: 7px; pointer-events: none; }
.text-link:hover { color: var(--purple-deep); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn-primary, .btn-secondary {
    display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
    padding: 0 24px; border-radius: 999px; font-weight: 800; white-space: nowrap;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 14px 30px rgba(217,70,123,.2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-strong); }
.btn-secondary { background: var(--surface); color: var(--berry); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--pink-soft); }

.hero-home { padding: 72px 0 58px; position: relative; }
.hero-home::before, .hero-home::after {
    content: ""; position: absolute; border-radius: 50%; filter: blur(2px); opacity: .65; pointer-events: none;
}
.hero-home::before { width: 260px; height: 260px; left: -130px; top: 80px; background: rgba(255,150,173,.18); }
.hero-home::after { width: 320px; height: 320px; right: -170px; top: 20px; background: rgba(139,116,232,.14); }
.hero-grid { display: grid; grid-template-columns: minmax(180px, .75fr) minmax(420px, 1.7fr) minmax(180px, .75fr); gap: 34px; align-items: center; }
.hero-center { text-align: center; position: relative; z-index: 1; }
.hero-center .lead { max-width: 770px; margin-inline: auto; }
.hero-center .btn-row { justify-content: center; }
.hero-side {
    padding: 26px; border-radius: 26px; background: rgba(255,255,255,.84); border: 1px solid var(--border); box-shadow: var(--shadow);
}
.hero-side h2 { font-size: 22px; }
.hero-side p { color: var(--muted); margin-bottom: 0; }
.hero-visual, .inner-visual {
    position: relative; margin-top: 46px; min-height: 260px; border-radius: 34px; overflow: hidden;
    background: linear-gradient(135deg, rgba(255,150,173,.22), rgba(255,255,255,.96) 48%, rgba(139,116,232,.20));
    border: 1px solid var(--border); box-shadow: var(--shadow-strong);
}
.hero-visual::before, .inner-visual::before {
    content: ""; position: absolute; inset: 16% 12%; border-radius: 999px 44px 999px 44px;
    border: 1px solid rgba(255,92,152,.22); transform: rotate(-4deg); pointer-events: none;
}
.hero-visual::after, .inner-visual::after {
    content: "生活被认真记录时，也会变成温柔的线索"; position: absolute; left: 50%; top: 50%;
    transform: translate(-50%,-50%); color: var(--title); font-size: clamp(20px, 3vw, 38px); font-weight: 900;
    width: 72%; text-align: center; letter-spacing: -.03em; pointer-events: none;
}
.hero-visual img, .inner-visual img { position: relative; z-index: 1; width: 100%; aspect-ratio: 16/7; object-fit: cover; }
.hero-visual:has(img)::before, .hero-visual:has(img)::after, .inner-visual:has(img)::before, .inner-visual:has(img)::after { display: none; }

.index-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.index-card, .card, .topic-card, .feedback-card, .service-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow);
}
.index-card { padding: 24px 20px; }
.index-card h3 { font-size: 19px; }
.index-card p { color: var(--muted); font-size: 15px; min-height: 82px; }
.story-layout { display: grid; grid-template-columns: 1.25fr 1fr; gap: 26px; }
.feature-story { padding: 34px; border-radius: 30px; background: var(--surface); box-shadow: var(--shadow-strong); border: 1px solid var(--border); }
.feature-story .content-image { width: 100%; aspect-ratio: 16/10; object-fit: cover; border-radius: 22px; margin-bottom: 24px; }
.story-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.story-mini { padding: 24px; border-radius: 22px; background: var(--surface); border: 1px solid var(--border); }
.story-mini img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 16px; margin-bottom: 16px; }
.tag { display: inline-flex; align-items: center; min-height: 30px; padding: 0 12px; border-radius: 999px; background: var(--pink-soft); color: var(--berry); font-size: 13px; font-weight: 800; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item { overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.gallery-item .image-shell { aspect-ratio: 4/3; background: linear-gradient(145deg, var(--pink-soft), var(--purple-soft)); position: relative; overflow: hidden; }
.gallery-item .image-shell::after { content: "影像记录"; position: absolute; inset: auto 18px 16px auto; color: rgba(49,38,44,.38); font-weight: 900; pointer-events: none; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.gallery-copy { padding: 22px; }
.interest-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.interest-card { padding: 24px; border-radius: 24px; border: 1px solid var(--border); background: rgba(255,255,255,.88); }
.interest-card:nth-child(2n) { background: rgba(246,243,255,.9); }
.topic-list { display: grid; gap: 16px; }
.topic-card { padding: 26px 28px; display: grid; grid-template-columns: 58px 1fr auto; gap: 18px; align-items: center; }
.topic-number { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 18px; background: var(--gradient); color: #fff; font-weight: 900; }
.journal-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: start; }
.journal-paper { padding: 38px; border-radius: 26px; background: repeating-linear-gradient(to bottom, #fff, #fff 34px, #f5edf1 35px); border: 1px solid var(--border); box-shadow: var(--shadow); }
.journal-prompts { display: grid; gap: 16px; }
.journal-prompt { padding: 24px; border-radius: 22px; background: var(--purple-soft); }
.discover-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.discover-card { padding: 27px; border-radius: 26px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.app-showcase { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: center; }
.phone-shell { min-height: 520px; border-radius: 42px; background: linear-gradient(145deg, #fff, #f8eef5); box-shadow: var(--shadow-strong); border: 1px solid var(--border); display: grid; place-items: center; overflow: hidden; position: relative; }
.phone-shell::before { content: "糖心Vlog"; width: min(290px, 72%); aspect-ratio: 9/16; border-radius: 38px; display: grid; place-items: center; background: var(--gradient); color: #fff; font-size: 28px; font-weight: 900; box-shadow: 0 24px 60px rgba(98,80,176,.22); pointer-events: none; }
.phone-shell img { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: contain; }
.phone-shell:has(img)::before { display: none; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.service-card { padding: 22px; }
.principle-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.principle-card { padding: 24px; border-radius: 24px; background: var(--surface); border: 1px solid var(--border); }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { padding: 34px; border-radius: 30px; background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.security-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 20px; margin-bottom: 22px; }
.feedback-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feedback-card { padding: 24px; }
.feedback-card::before { content: "“"; display: block; color: var(--peach); font-size: 42px; line-height: .8; font-weight: 900; }
.faq-list { display: grid; gap: 14px; }
details { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; overflow: clip; }
summary { min-height: 58px; padding: 16px 54px 16px 20px; cursor: pointer; font-weight: 800; color: var(--title); position: relative; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); color: var(--berry); font-size: 25px; pointer-events: none; }
details[open] summary::after { content: "−"; }
details p, details div.answer { padding: 0 20px 20px; margin: 0; color: var(--muted); }
.about-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; align-items: center; }
.about-art { min-height: 320px; border-radius: 30px; background: linear-gradient(135deg, rgba(255,150,173,.28), rgba(246,243,255,.9)); border: 1px solid var(--border); display: grid; place-items: center; overflow: hidden; }
.about-art::after { content: "把日常留给未来"; color: var(--title); font-size: 30px; font-weight: 900; pointer-events: none; }
.about-art img { width: 100%; height: 100%; object-fit: cover; position: relative; z-index: 1; }
.about-art:has(img)::after { display: none; }

.inner-hero { padding: 78px 0 44px; }
.inner-hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px, 5.5vw, 68px); }
.inner-visual { margin-top: 0; min-height: 340px; }
.inner-visual::after { content: "认真记录，也认真保护每一份表达"; }
.breadcrumbs { display: flex; gap: 9px; flex-wrap: wrap; color: var(--hint); font-size: 14px; margin-bottom: 18px; }
.breadcrumbs a { color: var(--berry); }
.content-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.content-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.content-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { padding: 28px; }
.card p:last-child { margin-bottom: 0; }
.card-accent { background: linear-gradient(145deg, #fff, #fff4f8); }
.card-purple { background: linear-gradient(145deg, #fff, #f7f4ff); }
.number-list { counter-reset: item; display: grid; gap: 16px; padding: 0; list-style: none; }
.number-list li { counter-increment: item; padding: 24px 24px 24px 78px; background: var(--surface); border: 1px solid var(--border); border-radius: 22px; position: relative; }
.number-list li::before { content: counter(item, decimal-leading-zero); position: absolute; left: 22px; top: 22px; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 14px; background: var(--pink-soft); color: var(--berry); font-weight: 900; }
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { padding-left: 30px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--berry); font-weight: 900; }
.notice-box { padding: 28px; border-radius: 24px; background: var(--purple-soft); border: 1px solid rgba(139,116,232,.18); }
.warning-box { padding: 28px; border-radius: 24px; background: var(--pink-soft); border: 1px solid var(--border); }
.timeline { position: relative; display: grid; gap: 18px; }
.timeline::before { content: ""; position: absolute; left: 25px; top: 24px; bottom: 24px; width: 2px; background: rgba(255,92,152,.2); pointer-events: none; }
.timeline-item { position: relative; padding: 24px 24px 24px 76px; border-radius: 22px; background: var(--surface); border: 1px solid var(--border); }
.timeline-item::before { content: ""; position: absolute; left: 17px; top: 29px; width: 18px; height: 18px; border: 7px solid var(--pink-soft); border-radius: 50%; background: var(--berry); }
.table-wrap { overflow-x: auto; border-radius: 22px; border: 1px solid var(--border); background: var(--surface); }
table { border-collapse: collapse; width: 100%; min-width: 680px; }
th, td { text-align: left; padding: 16px 18px; border-bottom: 1px solid rgba(255,92,152,.1); vertical-align: top; }
th { color: var(--title); background: var(--pink-soft); }
.related-links { display: flex; flex-wrap: wrap; gap: 12px; }
.related-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 16px; background: var(--surface); color: var(--berry); border: 1px solid var(--border); border-radius: 999px; font-weight: 750; }
.closing-service { padding: 34px; border-radius: 28px; background: var(--gradient); color: #fff; }
.closing-service h2, .closing-service h3 { color: #fff; }
.closing-service a { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

.site-footer { background: var(--footer); color: var(--footer-text); padding: 66px 0 30px; }
.footer-inner { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.footer-brand { display: grid; grid-template-columns: 240px 1fr; gap: 30px; align-items: center; padding-bottom: 32px; border-bottom: 1px solid rgba(255,234,242,.12); }
.footer-logo { display: inline-flex; min-height: 54px; align-items: center; }
.footer-brand .brand-text { color: #fff; }
.footer-brand-logo { width: 170px; max-height: 50px; }
.footer-brand p { max-width: 700px; margin: 0; color: rgba(255,234,242,.76); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; padding: 40px 0; }
.footer-links h2 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer-links a { display: block; min-height: 34px; color: rgba(255,234,242,.72); }
.footer-links a:hover { color: #fff; }
.footer-reminder { color: rgba(255,234,242,.78); padding-top: 24px; border-top: 1px solid rgba(255,234,242,.12); }
.copyright { color: rgba(255,234,242,.5); margin: 0; }

.site-overlay {
    position: fixed; inset: 0; z-index: 1280; background: rgba(49,38,44,.25); backdrop-filter: blur(3px);
    opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .22s ease, visibility .22s ease;
}
.site-overlay.is-visible { opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel {
    position: fixed; left: 0; right: 0; top: var(--header-h); z-index: 1320; max-height: calc(100vh - var(--header-h) - 18px);
    overflow-y: auto; background: rgba(255,249,252,.98); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-strong);
    transform: translateY(-18px); opacity: 0; visibility: hidden; pointer-events: none; transition: .24s ease;
}
.channel-panel.is-open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
.channel-panel-inner { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; padding: 30px 0 40px; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 24px; }
.panel-heading h2 { font-size: 30px; margin-bottom: 0; }
.panel-close { width: 46px; height: 46px; border: 0; border-radius: 50%; background: var(--surface); color: var(--berry); font-size: 30px; line-height: 1; cursor: pointer; box-shadow: var(--shadow); }
.channel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.channel-group { padding: 22px; border-radius: 22px; background: var(--surface); border: 1px solid var(--border); }
.channel-group h3 { color: var(--purple-deep); font-size: 17px; }
.channel-group a { display: block; padding: 13px 0; border-top: 1px solid rgba(255,92,152,.1); }
.channel-group a:first-of-type { border-top: 0; }
.channel-group strong { display: block; color: var(--title); }
.channel-group span { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 4px; }
.mobile-drawer {
    position: fixed; z-index: 1350; top: 0; right: 0; width: min(88vw, 390px); height: 100vh; height: 100dvh;
    background: var(--bg); box-shadow: -20px 0 60px rgba(70,44,58,.16); transform: translateX(105%);
    visibility: hidden; pointer-events: none; transition: transform .26s ease, visibility .26s ease; overflow-y: auto;
}
.mobile-drawer.is-open { transform: translateX(0); visibility: visible; pointer-events: auto; }
.mobile-drawer-head { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; min-height: 72px; padding: 12px 16px; background: rgba(255,249,252,.96); border-bottom: 1px solid var(--border); }
.drawer-brand { display: inline-flex; align-items: center; min-height: 48px; }
.drawer-brand-logo { width: 145px; max-height: 44px; }
.mobile-drawer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 18px 16px; }
.mobile-drawer-links a { min-height: 48px; padding: 10px 14px; display: flex; align-items: center; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); font-weight: 750; }
.mobile-drawer-links a.is-active { background: var(--gradient); color: #fff; }
.drawer-note { margin: 4px 16px 28px; padding: 18px; background: var(--purple-soft); border-radius: 18px; color: var(--muted); font-size: 14px; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1100px) {
    .nav-link { padding-inline: 9px; font-size: 14px; }
    .desktop-nav { gap: 12px; }
    .brand-center { min-width: 145px; }
    .brand-logo { width: 138px; }
    .index-grid { grid-template-columns: repeat(3, 1fr); }
    .interest-grid { grid-template-columns: repeat(2, 1fr); }
    .principle-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
    :root { --header-h: 68px; }
    .desktop-nav { display: none; }
    .mobile-nav { width: min(calc(100% - 32px), var(--max)); height: 100%; margin-inline: auto; display: flex; justify-content: space-between; align-items: center; }
    .mobile-brand { display: inline-flex; align-items: center; min-height: 48px; max-width: 54%; }
    .mobile-brand-logo { width: 142px; max-height: 44px; }
    .mobile-brand .brand-text { font-size: 21px; }
    .mobile-nav-actions { display: flex; align-items: center; gap: 9px; }
    .mobile-experience { min-height: 44px; padding: 0 17px; display: inline-flex; align-items: center; border-radius: 999px; color: #fff; background: var(--gradient); font-weight: 800; }
    .round-menu-button { width: 44px; height: 44px; }
    .wrap, .footer-inner { width: min(calc(100% - 32px), var(--max)); }
    .section { padding: 64px 0; }
    .section-tight { padding: 46px 0; }
    .hero-home { padding-top: 48px; }
    .hero-grid, .inner-hero-grid, .story-layout, .journal-grid, .app-showcase, .about-band { grid-template-columns: 1fr; }
    .hero-center { order: -1; }
    .hero-grid { gap: 18px; }
    .hero-side { padding: 22px; }
    .hero-visual { margin-top: 28px; min-height: 210px; }
    .index-grid { grid-template-columns: 1fr 1fr; }
    .story-list { grid-template-columns: 1fr; }
    .gallery-grid, .discover-grid, .feedback-grid, .content-grid-3, .content-grid-4 { grid-template-columns: 1fr 1fr; }
    .topic-card { grid-template-columns: 52px 1fr; }
    .topic-card .text-link { grid-column: 2; }
    .service-grid, .security-grid, .content-grid-2 { grid-template-columns: 1fr 1fr; }
    .principle-grid { grid-template-columns: 1fr 1fr; }
    .phone-shell { min-height: 420px; }
    .app-showcase > :first-child { order: -1; }
    .footer-brand { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .channel-panel { display: none; }
    .mobile-bottom-nav {
        position: fixed; z-index: 1150; left: 12px; right: 12px; bottom: calc(10px + env(safe-area-inset-bottom));
        display: grid; grid-template-columns: repeat(4, 1fr); min-height: 64px; padding: 7px;
        border: 1px solid rgba(255,92,152,.16); border-radius: 22px; background: rgba(255,255,255,.94); box-shadow: 0 16px 40px rgba(70,44,58,.14); backdrop-filter: blur(14px);
    }
    .mobile-bottom-nav a { min-height: 50px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; border-radius: 16px; color: var(--muted); font-size: 12px; }
    .mobile-bottom-nav a span { font-size: 18px; line-height: 1; }
    .mobile-bottom-nav a strong { font-weight: 800; }
    .mobile-bottom-nav a.is-active { background: var(--gradient); color: #fff; }
    .site-footer { padding-bottom: calc(112px + env(safe-area-inset-bottom)); }
}

@media (max-width: 560px) {
    h1 { font-size: 42px; }
    h2 { font-size: 32px; }
    .lead { font-size: 16px; }
    .hero-center .btn-row, .btn-row { align-items: stretch; }
    .btn-primary, .btn-secondary { width: 100%; }
    .index-grid, .gallery-grid, .interest-grid, .discover-grid, .feedback-grid, .service-grid, .security-grid, .principle-grid, .content-grid-2, .content-grid-3, .content-grid-4 { grid-template-columns: 1fr; }
    .index-card p { min-height: auto; }
    .feature-story, .security-card, .card, .journal-paper { padding: 24px; }
    .topic-card { grid-template-columns: 44px 1fr; padding: 22px 18px; }
    .topic-number { width: 44px; height: 44px; border-radius: 14px; }
    .inner-hero { padding-top: 52px; }
    .inner-visual { min-height: 250px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 22px 14px; }
    .mobile-drawer-links { grid-template-columns: 1fr; }
    .mobile-drawer-links a { min-height: 50px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
