/*
 * 红果短剧 - 原生 CSS
 * 视觉方向：清爽、温暖、年轻、内容导向。
 */
:root {
    --green: #2F8F83;
    --green-dark: #256f67;
    --green-soft: #dceee9;
    --orange: #F2B36F;
    --ink: #243331;
    --body: #2E3836;
    --muted: #71807C;
    --accent: #E96B4C;
    --bg: #FAFCFA;
    --bg-soft: #EEF5F2;
    --line: #dce7e3;
    --white: #ffffff;
    --shadow-sm: 0 10px 30px rgba(36,51,49,.07);
    --shadow-md: 0 22px 60px rgba(36,51,49,.11);
    --radius-sm: 14px;
    --radius-md: 22px;
    --radius-lg: 34px;
    --max: 1180px;
    --header-h: 78px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--body); background: var(--bg); font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.72; text-rendering: optimizeLegibility; }
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--green-dark); }
img { display: block; width: 100%; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
:focus-visible { outline: 3px solid rgba(47,143,131,.35); outline-offset: 3px; }
::selection { background: rgba(242,179,111,.42); color: var(--ink); }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #fff; transition: top .2s ease; }
.skip-link:focus { top: 12px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.section-shell, .header-shell, .footer-shell, .footer-bottom { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(250,252,250,.92); border-bottom: 1px solid rgba(220,231,227,.88); backdrop-filter: blur(16px); }
.header-shell { min-height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: linear-gradient(145deg, var(--green), var(--green-dark)); color: #fff; font-weight: 800; box-shadow: 0 8px 20px rgba(47,143,131,.23); }
.brand-copy { display: grid; line-height: 1.15; }
.brand-copy strong { font-size: 17px; color: var(--ink); letter-spacing: .02em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 11px; }
.desktop-nav { display: flex; align-items: center; gap: 6px; padding: 5px; background: var(--bg-soft); border-radius: 16px; }
.nav-link { padding: 9px 14px; border-radius: 12px; color: #53615e; font-size: 14px; font-weight: 650; transition: background .2s ease, color .2s ease, transform .2s ease; }
.nav-link:hover { background: #fff; color: var(--green-dark); }
.nav-link.is-active { background: var(--white); color: var(--green-dark); box-shadow: 0 5px 16px rgba(36,51,49,.08); }
.menu-toggle { display: none; width: 46px; height: 42px; padding: 10px; border: 0; border-radius: 12px; background: var(--bg-soft); cursor: pointer; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 4px 0; background: var(--ink); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(4) { transform: translateY(-6px) rotate(-45deg); }
.mobile-menu { display: none; }
.hero { overflow: hidden; position: relative; padding: 64px 0 48px; background: radial-gradient(circle at 80% 5%, rgba(242,179,111,.21), transparent 30%), linear-gradient(180deg, #f8fcfa 0%, var(--bg) 100%); }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; left: -180px; top: 80px; background: rgba(47,143,131,.07); filter: blur(1px); }
.hero-shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1.06fr) minmax(380px, .94fr); gap: 66px; align-items: center; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 10px; color: var(--green-dark); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero h1, .inner-hero h1 { margin: 0; color: var(--ink); line-height: 1.1; letter-spacing: -.035em; }
.hero h1 { max-width: 760px; font-size: clamp(42px, 5.6vw, 70px); }
.hero-lead { max-width: 700px; margin: 24px 0 0; color: #50605c; font-size: 18px; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 20px; border: 1px solid transparent; border-radius: 14px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--green); color: #fff; box-shadow: 0 12px 28px rgba(47,143,131,.22); }
.button-primary:hover { color: #fff; background: var(--green-dark); box-shadow: 0 16px 34px rgba(47,143,131,.28); }
.button-ghost { border-color: #cfded9; background: rgba(255,255,255,.68); color: var(--ink); }
.button-ghost:hover { background: #fff; color: var(--green-dark); }
.button-soft { background: var(--green-soft); color: var(--green-dark); }
.button-soft:hover { background: #cee5df; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; list-style: none; padding: 0; margin: 40px 0 0; }
.hero-facts li { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.65); }
.hero-facts strong, .hero-facts span { display: block; }
.hero-facts strong { color: var(--ink); font-size: 14px; }
.hero-facts span { margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.hero-visual { position: relative; min-height: 520px; }
.hero-image { width: 100%; height: 520px; object-fit: cover; border-radius: 40px 40px 120px 40px; box-shadow: var(--shadow-md); background: var(--bg-soft); }
.hero-visual::after { content: ""; position: absolute; right: -18px; bottom: -18px; width: 140px; height: 140px; border-radius: 50%; border: 26px solid rgba(242,179,111,.32); z-index: -1; }
.floating-card { position: absolute; display: grid; gap: 2px; min-width: 160px; padding: 14px 16px; border: 1px solid rgba(255,255,255,.8); border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: var(--shadow-sm); backdrop-filter: blur(10px); }
.floating-card strong { color: var(--ink); font-size: 13px; }
.floating-card small { color: var(--muted); }
.floating-card-top { top: 28px; left: -36px; }
.floating-card-bottom { right: -20px; bottom: 36px; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 7px rgba(233,107,76,.12); margin-bottom: 8px; }
.section { padding: 88px 0; }
.section-featured { background: var(--white); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 34px; }
.section-heading.wide > div { max-width: 720px; }
.section-heading h2, .discovery-intro h2, .quiet-copy h2, .steps-copy h2, .browser-panel h2, .desktop-value-grid h2, .layout-copy h2, .safety-copy h2, .mobile-habits-copy h2 { margin: 0; color: var(--ink); font-size: clamp(28px, 3vw, 42px); line-height: 1.24; letter-spacing: -.02em; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); }
.section-heading.compact { align-items: center; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 26px; }
.filter-chip { padding: 8px 15px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: #50605c; cursor: pointer; transition: all .2s ease; }
.filter-chip:hover, .filter-chip.is-active { border-color: var(--green); background: var(--green); color: #fff; }
.content-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.content-card { display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: 320px; overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: #fff; box-shadow: 0 8px 24px rgba(36,51,49,.04); transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.content-card:hover { transform: translateY(-3px); border-color: #c7dbd5; box-shadow: var(--shadow-sm); }
.content-card[hidden] { display: none !important; }
.content-media { position: relative; background: var(--bg-soft); overflow: hidden; }
.content-media img { height: 100%; object-fit: cover; transition: transform .35s ease; }
.content-card:hover .content-media img { transform: scale(1.025); }
.format-badge { position: absolute; left: 12px; bottom: 12px; padding: 6px 9px; border-radius: 10px; background: rgba(36,51,49,.8); color: #fff; font-size: 11px; backdrop-filter: blur(8px); }
.content-body { display: flex; flex-direction: column; padding: 22px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0 0 12px; padding: 0; }
.tag { display: inline-block; padding: 4px 8px; border-radius: 999px; background: var(--bg-soft); color: var(--green-dark); font-size: 11px; font-weight: 700; }
.content-body h3 { margin: 0; color: var(--ink); font-size: 20px; line-height: 1.35; }
.content-body > p { margin: 12px 0 0; color: #596864; font-size: 14px; }
.mini-points { margin: 15px 0 0; padding-left: 18px; color: #667570; font-size: 12px; line-height: 1.75; }
.card-meta { display: flex; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 18px; border-top: 1px solid #edf2f0; font-size: 12px; }
.card-meta span { color: var(--muted); }
.card-meta a { color: var(--green-dark); font-weight: 700; }
.discovery-section { background: var(--bg-soft); }
.discovery-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 54px; align-items: start; }
.discovery-intro { position: sticky; top: calc(var(--header-h) + 28px); }
.discovery-intro > p:not(.eyebrow) { color: var(--muted); }
.discovery-image { margin-top: 26px; height: 270px; object-fit: cover; border-radius: 24px; box-shadow: var(--shadow-sm); }
.path-list { display: grid; gap: 14px; }
.path-item { display: grid; grid-template-columns: 54px 1fr; gap: 18px; padding: 24px; border: 1px solid rgba(47,143,131,.12); border-radius: 20px; background: rgba(255,255,255,.75); }
.path-index { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; background: var(--white); color: var(--green); font-weight: 850; box-shadow: 0 8px 18px rgba(36,51,49,.06); }
.path-item h3 { margin: 0; color: var(--ink); font-size: 19px; }
.path-item p { margin: 8px 0 0; color: #596864; }
.path-item small { display: inline-block; margin-top: 12px; color: var(--green-dark); font-weight: 700; }
.web-entry-section { background: #fff; }
.web-entry-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 22px; }
.web-entry-card { min-height: 390px; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; border-radius: 30px; background: linear-gradient(140deg, #eaf6f2, #f9fcfa); border: 1px solid #d8e9e4; }
.entry-copy { display: flex; flex-direction: column; justify-content: center; padding: 44px; }
.entry-copy h2 { margin: 0; color: var(--ink); font-size: clamp(29px, 3vw, 42px); line-height: 1.2; }
.entry-copy p { color: #5d6b67; }
.entry-image { height: 100%; object-fit: cover; }
.text-link { display: inline-flex; gap: 8px; align-items: center; color: var(--green-dark); font-weight: 800; }
.web-side-note { display: flex; flex-direction: column; justify-content: flex-end; min-height: 390px; padding: 30px; border-radius: 30px; background: var(--ink); color: #dce7e3; }
.web-side-note h3 { margin: 10px 0 0; color: #fff; font-size: 26px; line-height: 1.25; }
.web-side-note p { color: #bac9c4; }
.web-side-note a { margin-top: 12px; color: #ffd29f; font-weight: 800; }
.note-kicker { color: #92d1c8; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.device-section { background: var(--bg); }
.device-matrix { overflow-x: auto; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow-sm); }
.device-matrix table { width: 100%; border-collapse: collapse; min-width: 720px; }
.device-matrix th, .device-matrix td { padding: 18px 20px; text-align: left; border-bottom: 1px solid #e8efec; vertical-align: top; }
.device-matrix th { background: #f4f9f7; color: var(--ink); font-size: 13px; }
.device-matrix td { color: #55635f; }
.device-matrix tbody tr:last-child td { border-bottom: 0; }
.device-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.device-link-card { padding: 24px; border: 1px solid var(--line); border-radius: 20px; background: #fff; transition: transform .2s ease, border-color .2s ease; }
.device-link-card:hover { transform: translateY(-3px); border-color: var(--green); }
.device-link-card span { display: block; color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: .1em; }
.device-link-card strong { display: block; margin-top: 7px; color: var(--ink); font-size: 21px; }
.device-link-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.quiet-section { padding-top: 24px; background: linear-gradient(180deg, var(--bg), #f7fbf9); }
.quiet-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 52px; align-items: center; }
.quiet-image { height: 420px; object-fit: cover; border-radius: 32px; }
.quiet-copy > p:not(.eyebrow) { color: #5d6b67; }
.faq-section { padding-top: 70px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { overflow: hidden; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 19px 22px; color: var(--ink); font-weight: 750; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.summary-mark { display: grid; place-items: center; width: 28px; height: 28px; flex: 0 0 auto; border-radius: 10px; background: var(--bg-soft); color: var(--green-dark); transition: transform .2s ease; }
.faq-item[open] .summary-mark { transform: rotate(45deg); }
.faq-answer { padding: 0 22px 20px; color: #62706c; }
.faq-answer p { margin: 0; }
.site-footer { margin-top: 90px; padding-top: 52px; background: var(--ink); color: #c6d4d0; }
.footer-shell { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; padding-bottom: 42px; }
.footer-logo .brand-copy strong { color: #fff; }
.footer-logo .brand-copy small { color: #a8bab5; }
.footer-brand > p { max-width: 380px; color: #aebfba; }
.footer-group h2 { margin: 0 0 14px; color: #fff; font-size: 14px; }
.footer-group ul { list-style: none; margin: 0; padding: 0; }
.footer-group li + li { margin-top: 8px; }
.footer-group a { color: #c6d4d0; font-size: 13px; }
.footer-group a:hover { color: #fff; }
.footer-group p { margin: 0; font-size: 13px; }
.footer-group .muted { margin-top: 8px; color: #8fa49e; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0 30px; border-top: 1px solid rgba(255,255,255,.1); color: #94a8a2; font-size: 12px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #dce8e4; }
/* 内页 */
.inner-hero { padding: 54px 0 62px; background: linear-gradient(180deg, #f4faf7 0%, var(--bg) 100%); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .9fr; gap: 60px; align-items: center; }
.inner-hero h1 { max-width: 760px; font-size: clamp(38px, 5vw, 60px); }
.inner-hero-copy > p:not(.eyebrow) { max-width: 710px; margin: 22px 0 0; color: #596864; font-size: 17px; }
.breadcrumbs { margin-bottom: 24px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; color: var(--muted); font-size: 12px; }
.breadcrumbs li { display: flex; gap: 8px; align-items: center; }
.breadcrumbs a:hover { color: var(--green-dark); }
.inner-hero-media { position: relative; }
.inner-hero-image { height: 430px; object-fit: cover; border-radius: 34px; box-shadow: var(--shadow-md); }
.media-caption { position: absolute; left: 24px; right: 24px; bottom: 22px; display: flex; justify-content: space-between; gap: 18px; padding: 15px 18px; border: 1px solid rgba(255,255,255,.72); border-radius: 16px; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); }
.media-caption strong { color: var(--ink); }
.media-caption span { color: var(--muted); font-size: 12px; }
.feature-grid { display: grid; gap: 16px; }
.feature-grid.four-col { grid-template-columns: repeat(4, 1fr); }
.feature-card { padding: 26px; border: 1px solid var(--line); border-radius: 22px; background: #fff; }
.feature-dot { display: block; width: 11px; height: 11px; margin-bottom: 34px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 8px rgba(242,179,111,.17); }
.feature-card h3 { margin: 0; color: var(--ink); font-size: 19px; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.steps-section { background: var(--bg-soft); }
.steps-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 54px; align-items: start; }
.steps-copy { position: sticky; top: calc(var(--header-h) + 28px); }
.steps-copy > p:not(.eyebrow) { color: var(--muted); }
.steps-image { margin-top: 26px; height: 250px; object-fit: cover; border-radius: 22px; }
.step-list { display: grid; gap: 14px; list-style: none; margin: 0; padding: 0; }
.step-list li { display: grid; grid-template-columns: 70px 1fr; gap: 18px; padding: 24px; border: 1px solid #d8e7e2; border-radius: 20px; background: rgba(255,255,255,.8); }
.step-list > li > span { color: var(--green); font-size: 26px; font-weight: 900; line-height: 1; }
.step-list h3 { margin: 0; color: var(--ink); }
.step-list p { margin-bottom: 0; color: var(--muted); }
.browser-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; }
.browser-panel { padding: 38px; border-radius: 28px; background: #fff; border: 1px solid var(--line); }
.browser-factors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 30px; }
.browser-factors article { padding: 20px; border-radius: 18px; background: var(--bg-soft); }
.browser-factors strong { color: var(--ink); }
.browser-factors p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.browser-note { padding: 34px; border-radius: 28px; background: #fdf3e8; border: 1px solid #f3dfc7; }
.browser-note h3 { margin-top: 0; color: var(--ink); font-size: 24px; }
.browser-note ol { padding-left: 20px; color: #665b50; }
.browser-note li + li { margin-top: 8px; }
.related-content { background: #fff; }
.mini-content-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.mini-content-card { display: grid; grid-template-columns: 170px 1fr; gap: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; }
.mini-content-card img { height: 100%; object-fit: cover; }
.mini-content-card > div:last-child { padding: 22px; }
.mini-content-card span { color: var(--accent); font-size: 11px; font-weight: 800; }
.mini-content-card h3 { margin: 6px 0 0; color: var(--ink); font-size: 18px; }
.mini-content-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.center-action { display: flex; justify-content: center; margin-top: 28px; }
/* 电脑版 */
.desktop-hero { background: radial-gradient(circle at 78% 24%, rgba(242,179,111,.17), transparent 26%), linear-gradient(180deg, #f7fbf9, var(--bg)); }
.desktop-value-section { padding-top: 56px; }
.desktop-value-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 54px; align-items: center; }
.desktop-value-grid > div:first-child > p:not(.eyebrow) { color: var(--muted); }
.desktop-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.desktop-stats div { padding: 24px 14px; text-align: center; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.desktop-stats strong, .desktop-stats span { display: block; }
.desktop-stats strong { color: var(--green-dark); font-size: 19px; }
.desktop-stats span { margin-top: 6px; color: var(--muted); font-size: 11px; }
.checklist-section { background: var(--bg-soft); }
.checklist-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.check-card { padding: 26px; border: 1px solid #d9e8e3; border-radius: 22px; background: rgba(255,255,255,.83); }
.check-number { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: #fff; color: var(--green); font-weight: 850; box-shadow: 0 7px 18px rgba(36,51,49,.05); }
.check-card h3 { margin: 24px 0 0; color: var(--ink); }
.check-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
.desktop-layout-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; }
.mock-browser { overflow: hidden; border: 1px solid #cbdad5; border-radius: 24px; background: #fff; box-shadow: var(--shadow-md); }
.mock-toolbar { display: flex; align-items: center; gap: 7px; min-height: 48px; padding: 0 16px; border-bottom: 1px solid #e6eeeb; background: #f4f8f6; }
.mock-toolbar span { width: 9px; height: 9px; border-radius: 50%; background: #cad8d4; }
.mock-toolbar em { flex: 1; margin-left: 10px; padding: 6px 12px; border-radius: 8px; background: #fff; color: #92a09c; font-size: 10px; font-style: normal; }
.mock-body { display: grid; grid-template-columns: 92px 1fr; min-height: 320px; }
.mock-body aside { padding: 18px 12px; background: #f8fbfa; border-right: 1px solid #edf2f0; }
.mock-body aside b { display: block; height: 14px; margin-bottom: 13px; border-radius: 5px; background: #dce9e5; }
.mock-body main { padding: 18px; }
.mock-hero-block { height: 95px; border-radius: 14px; background: linear-gradient(135deg, #cfe8e2, #f7e5cd); }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.mock-cards i { height: 88px; border-radius: 12px; background: #edf4f1; }
.mock-lines { display: grid; gap: 8px; margin-top: 18px; }
.mock-lines u { height: 8px; border-radius: 6px; background: #e4ece9; text-decoration: none; }
.mock-lines u:nth-child(2) { width: 86%; }
.mock-lines u:nth-child(3) { width: 67%; }
.layout-copy > p:not(.eyebrow) { color: var(--muted); }
.tick-list { list-style: none; margin: 22px 0 0; padding: 0; }
.tick-list li { position: relative; padding-left: 28px; color: #55635f; }
.tick-list li + li { margin-top: 10px; }
.tick-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--green); font-weight: 900; }
.trouble-section { background: #fff; }
.trouble-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.trouble-grid article { padding: 28px; border-radius: 22px; background: #f9fbfa; border: 1px solid var(--line); }
.trouble-grid span { color: var(--orange); font-weight: 900; }
.trouble-grid h3 { margin: 18px 0 0; color: var(--ink); }
.trouble-grid p { margin-bottom: 0; color: var(--muted); }
/* APP */
.app-hero { background: radial-gradient(circle at 84% 18%, rgba(233,107,76,.10), transparent 24%), linear-gradient(180deg, #fbfaf7, var(--bg)); }
.app-phone-stage { position: relative; max-width: 460px; justify-self: end; }
.app-main-image { height: 470px; object-fit: cover; border-radius: 46px 46px 90px 46px; box-shadow: var(--shadow-md); }
.phone-badge { position: absolute; left: -30px; bottom: 36px; display: grid; gap: 3px; padding: 15px 18px; border-radius: 18px; background: rgba(255,255,255,.92); box-shadow: var(--shadow-sm); }
.phone-badge span { color: var(--accent); font-size: 11px; font-weight: 850; }
.phone-badge strong { color: var(--ink); }
.app-notes-section { background: #fff; }
.app-note-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.app-note-card { position: relative; overflow: hidden; padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: #fff; }
.app-note-card > span { position: absolute; right: 20px; top: 10px; color: #eaf1ef; font-size: 72px; font-weight: 900; line-height: 1; }
.app-note-card h3 { position: relative; margin: 0; color: var(--ink); font-size: 22px; }
.app-note-card p { position: relative; margin-bottom: 0; color: var(--muted); }
.safety-section { background: var(--bg-soft); }
.safety-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 54px; align-items: center; }
.safety-image { height: 430px; object-fit: cover; border-radius: 32px; }
.safety-copy > p:not(.eyebrow) { color: var(--muted); }
.safety-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
.safety-list article { padding: 18px; border-radius: 16px; background: rgba(255,255,255,.82); }
.safety-list strong { color: var(--ink); }
.safety-list p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.compare-panel { display: grid; grid-template-columns: 1fr 70px 1fr; align-items: stretch; padding: 12px; border: 1px solid var(--line); border-radius: 28px; background: #fff; }
.compare-side { padding: 34px; }
.compare-side h3 { margin: 8px 0 0; color: var(--ink); font-size: 24px; }
.compare-kicker { color: var(--green); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.compare-divider { display: grid; place-items: center; position: relative; }
.compare-divider::before { content: ""; position: absolute; top: 14px; bottom: 14px; width: 1px; background: var(--line); }
.compare-divider span { position: relative; z-index: 1; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--bg-soft); color: var(--muted); font-size: 11px; }
.mobile-habits-section { background: #fff; }
.mobile-habits-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; }
.mobile-habits-copy > p:not(.eyebrow) { color: var(--muted); }
.mobile-habits-image { height: 410px; object-fit: cover; border-radius: 32px; }
/* 404 */
.not-found-main { display: grid; place-items: center; min-height: calc(100vh - var(--header-h) - 240px); padding: 70px 20px; }
.not-found-panel { max-width: 760px; text-align: center; padding: 48px; border: 1px solid var(--line); border-radius: 34px; background: #fff; box-shadow: var(--shadow-sm); }
.not-found-code { display: block; color: #dcebe7; font-size: clamp(70px, 12vw, 130px); font-weight: 900; line-height: .8; }
.not-found-panel h1 { margin: 20px 0 0; color: var(--ink); font-size: 38px; }
.not-found-panel > p:not(.eyebrow) { color: var(--muted); }
.not-found-panel .hero-actions { justify-content: center; }
.not-found-links { display: flex; justify-content: center; gap: 20px; margin-top: 26px; color: var(--green-dark); font-size: 13px; font-weight: 750; }
/* 通用细节 */
.notice { padding: 18px 20px; border-left: 4px solid var(--green); border-radius: 0 14px 14px 0; background: #f1f7f5; }
.notice strong { color: var(--ink); }
.notice p { margin: 4px 0 0; color: var(--muted); }
@media (hover: hover) and (pointer: fine) {
    .content-card, .device-link-card, .feature-card, .check-card, .app-note-card { will-change: transform; }
    .feature-card:hover, .check-card:hover, .app-note-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
}
@media (max-width: 1100px) {
    :root { --max: 980px; }
    .hero-shell { grid-template-columns: 1fr .82fr; gap: 40px; }
    .hero-facts { grid-template-columns: 1fr; }
    .hero-facts li { display: grid; grid-template-columns: 120px 1fr; align-items: center; gap: 10px; }
    .hero-facts span { margin-top: 0; }
    .content-card { grid-template-columns: 170px 1fr; }
    .web-entry-grid { grid-template-columns: 1fr; }
    .web-side-note { min-height: auto; }
    .feature-grid.four-col { grid-template-columns: repeat(2, 1fr); }
    .checklist-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-shell { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-group:last-child { grid-column: 2 / span 2; }
}
@media (max-width: 860px) {
    :root { --header-h: 68px; }
    .section-shell, .header-shell, .footer-shell, .footer-bottom, .hero-shell { width: min(calc(100% - 28px), var(--max)); }
    .desktop-nav { display: none; }
    .menu-toggle { display: block; }
    .mobile-menu { position: fixed; inset: var(--header-h) 0 auto 0; display: block; padding: 12px 14px 20px; background: rgba(250,252,250,.98); border-bottom: 1px solid var(--line); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: transform .24s ease, opacity .2s ease; }
    .mobile-menu[aria-hidden="false"] { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .mobile-menu nav { display: grid; gap: 6px; width: min(100%, 640px); margin-inline: auto; }
    .mobile-menu .nav-link { padding: 13px 14px; }
    .hero { padding-top: 42px; }
    .hero-shell, .inner-hero-grid, .discovery-layout, .quiet-grid, .steps-layout, .browser-grid, .desktop-value-grid, .desktop-layout-grid, .safety-grid, .mobile-habits-grid { grid-template-columns: 1fr; }
    .hero-visual { min-height: auto; }
    .hero-image { height: min(64vw, 480px); }
    .floating-card-top { left: 18px; }
    .floating-card-bottom { right: 16px; }
    .content-grid { grid-template-columns: 1fr; }
    .discovery-intro, .steps-copy { position: static; }
    .web-entry-card { grid-template-columns: 1fr; }
    .entry-image { height: 290px; }
    .device-links { grid-template-columns: 1fr; }
    .inner-hero-media { max-width: 680px; }
    .inner-hero-image { height: min(58vw, 430px); }
    .browser-factors { grid-template-columns: 1fr; }
    .mini-content-grid { grid-template-columns: 1fr; }
    .footer-shell { grid-template-columns: repeat(2, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
    .footer-group:last-child { grid-column: auto; }
    .desktop-stats { max-width: 600px; }
    .safety-grid > div:first-child { order: 2; }
    .app-phone-stage { justify-self: start; max-width: 640px; width: 100%; }
    .app-main-image { height: min(72vw, 470px); }
}
@media (max-width: 620px) {
    body { line-height: 1.68; }
    .section { padding: 64px 0; }
    .site-header { backdrop-filter: blur(10px); }
    .brand-copy small { display: none; }
    .hero h1 { font-size: clamp(36px, 11vw, 50px); }
    .hero-lead { font-size: 16px; }
    .hero-facts li { grid-template-columns: 1fr; }
    .content-card { grid-template-columns: 1fr; }
    .content-media { aspect-ratio: 16 / 9; }
    .content-media img { height: 100%; }
    .section-heading { display: block; }
    .section-heading > p { margin-top: 12px; }
    .discovery-image, .quiet-image, .safety-image, .mobile-habits-image { height: 58vw; min-height: 230px; }
    .path-item { grid-template-columns: 44px 1fr; padding: 20px; }
    .path-index { width: 40px; height: 40px; }
    .web-entry-card { border-radius: 22px; }
    .entry-copy { padding: 28px; }
    .entry-image { height: 230px; }
    .web-side-note { border-radius: 22px; padding: 26px; }
    .feature-grid.four-col, .checklist-grid, .app-note-grid, .safety-list, .trouble-grid { grid-template-columns: 1fr; }
    .mini-content-card { grid-template-columns: 120px 1fr; }
    .mini-content-card > div:last-child { padding: 16px; }
    .inner-hero { padding-top: 36px; }
    .inner-hero h1 { font-size: clamp(34px, 10vw, 48px); }
    .inner-hero-image { height: 68vw; min-height: 280px; }
    .media-caption { position: static; margin-top: 10px; border-color: var(--line); }
    .step-list li { grid-template-columns: 48px 1fr; padding: 20px; }
    .step-list > li > span { font-size: 20px; }
    .browser-panel, .browser-note { padding: 26px; border-radius: 22px; }
    .desktop-stats { grid-template-columns: 1fr; }
    .desktop-stats div { text-align: left; }
    .mock-body { grid-template-columns: 1fr; }
    .mock-body aside { display: none; }
    .compare-panel { grid-template-columns: 1fr; }
    .compare-divider { min-height: 52px; }
    .compare-divider::before { left: 14px; right: 14px; top: 50%; bottom: auto; width: auto; height: 1px; }
    .compare-side { padding: 24px; }
    .app-phone-stage { justify-self: stretch; }
    .phone-badge { left: 18px; bottom: 18px; }
    .footer-shell { grid-template-columns: 1fr; }
    .footer-brand, .footer-group:last-child { grid-column: auto; }
    .footer-bottom { display: grid; }
    .not-found-panel { padding: 34px 22px; }
    .not-found-links { flex-direction: column; gap: 8px; }
}
@media (max-width: 420px) {
    .section-shell, .header-shell, .footer-shell, .footer-bottom, .hero-shell { width: min(calc(100% - 22px), var(--max)); }
    .hero-actions { display: grid; grid-template-columns: 1fr; }
    .button { width: 100%; }
    .floating-card { min-width: 0; max-width: 72%; }
    .content-body { padding: 18px; }
    .filter-bar { gap: 7px; }
    .filter-chip { padding: 7px 12px; font-size: 13px; }
    .device-matrix { margin-inline: -2px; }
    .mini-content-card { grid-template-columns: 1fr; }
    .mini-content-card img { height: 190px; }
    .media-caption { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media print {
    .site-header, .site-footer, .hero-actions, .filter-bar, .floating-card { display: none !important; }
    body { background: #fff; color: #000; }
    .section, .hero, .inner-hero { padding: 24px 0; }
    .content-card, .feature-card, .check-card, .faq-item { break-inside: avoid; box-shadow: none; }
    a { text-decoration: underline; }
}

/* 观看判断清单 */
.signal-section {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, #fbfdfc 0%, #f3f8f6 100%);
}
.signal-section::before {
    content: "";
    position: absolute;
    width: 480px;
    height: 480px;
    right: -220px;
    top: 40px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(242,179,111,.16) 0 28%, rgba(242,179,111,0) 68%);
    pointer-events: none;
}
.signal-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}
.signal-card {
    display: flex;
    flex-direction: column;
    min-height: 255px;
    padding: 24px;
    border: 1px solid #dbe8e4;
    border-radius: 22px;
    background: rgba(255,255,255,.88);
    box-shadow: 0 7px 22px rgba(36,51,49,.035);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.signal-card:hover {
    transform: translateY(-3px);
    border-color: #bfd7d0;
    box-shadow: 0 14px 34px rgba(36,51,49,.07);
}
.signal-head {
    display: grid;
    grid-template-columns: 40px 1fr;
    gap: 13px;
    align-items: start;
}
.signal-head > span {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--green-soft);
    color: var(--green-dark);
    font-weight: 900;
    font-size: 12px;
}
.signal-head h3 {
    margin: 1px 0 0;
    color: var(--ink);
    font-size: 18px;
    line-height: 1.42;
}
.signal-card > p {
    margin: 18px 0 0;
    color: #5c6a66;
    font-size: 14px;
}
.signal-card > small {
    display: block;
    margin-top: auto;
    padding-top: 18px;
    border-top: 1px solid #ebf1ef;
    color: var(--muted);
    line-height: 1.65;
}
@media (max-width: 980px) {
    .signal-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
    .signal-grid { grid-template-columns: 1fr; }
    .signal-card { min-height: 0; }
}