:root {
  --ink: #0b1728;
  --muted: #5d6b7f;
  --line: #dce4ed;
  --paper: #f4f7fb;
  --white: #ffffff;
  --navy: #07111f;
  --navy-2: #0d1c31;
  --blue: #246bfe;
  --cyan: #13b8a6;
  --green: #18a56c;
  --yellow: #f3aa26;
  --red: #e44d56;
  --purple: #7b61ff;
  --shadow: 0 24px 70px rgba(11, 23, 40, .12);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 82px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif; line-height: 1.7; }
button, input, textarea, select { font: inherit; }
a { color: inherit; text-decoration: none; }
code { font-family: "Cascadia Code", Consolas, monospace; }
img { display: block; max-width: 100%; }

.skip-link { position: fixed; z-index: 1000; top: 8px; left: 8px; padding: 9px 14px; color: #fff; background: var(--blue); border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.topbar { position: sticky; z-index: 100; top: 0; height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 28px; color: #fff; background: rgba(7, 17, 31, .94); border-bottom: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, #4e88ff, #6758ff); border-radius: 10px; box-shadow: 0 8px 24px rgba(36,107,254,.35); font-size: 18px; font-weight: 900; }
.brand b, .brand small { display: block; line-height: 1.25; }
.brand b { font-size: 14px; letter-spacing: .04em; }
.brand small { margin-top: 3px; color: #91a0b7; font-size: 9px; letter-spacing: .16em; text-transform: uppercase; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; color: #b8c6d9; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 999px; font-size: 11px; }
.status-pill i { width: 7px; height: 7px; background: #36d592; border-radius: 50%; box-shadow: 0 0 0 4px rgba(54,213,146,.12); }
.menu-button { display: none; padding: 7px 12px; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); border-radius: 8px; cursor: pointer; }

.page-shell { width: min(1500px, 100%); display: grid; grid-template-columns: 238px minmax(0, 1fr); margin: 0 auto; }
.sidebar { position: sticky; top: 68px; height: calc(100vh - 68px); padding: 34px 22px 24px; background: #edf2f7; border-right: 1px solid var(--line); overflow: auto; }
.sidebar-title { margin: 0 10px 14px; color: #8a98aa; font-size: 10px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.sidebar nav { display: grid; gap: 4px; }
.sidebar nav a { display: flex; align-items: center; gap: 11px; padding: 9px 10px; color: #536176; border-radius: 9px; font-size: 12px; font-weight: 650; transition: .2s ease; }
.sidebar nav a span { color: #a0adbc; font-size: 9px; font-weight: 800; }
.sidebar nav a:hover { color: var(--ink); background: rgba(255,255,255,.7); }
.sidebar nav a.active { color: #fff; background: var(--blue); box-shadow: 0 10px 24px rgba(36,107,254,.22); }
.sidebar nav a.active span { color: #bcd0ff; }
.sidebar-help { margin-top: 28px; padding: 14px; color: #d8e2f0; background: var(--navy-2); border-radius: 13px; }
.sidebar-help b { color: #fff; font-size: 11px; }
.sidebar-help p { margin: 6px 0 0; color: #9daec3; font-size: 10px; line-height: 1.65; }

main { min-width: 0; overflow: hidden; background: #fff; }
.hero { position: relative; min-height: 660px; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(440px, .96fr); align-items: center; gap: 56px; padding: 82px clamp(36px, 6vw, 92px); color: #fff; background: radial-gradient(circle at 8% 0%, rgba(36,107,254,.34), transparent 38%), radial-gradient(circle at 100% 85%, rgba(19,184,166,.17), transparent 34%), var(--navy); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .19; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, #000, transparent 85%); }
.hero-copy, .hero-demo { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 10px; color: #7fb0ff; font-size: 10px; font-weight: 850; letter-spacing: .2em; }
.eyebrow::before { content: ""; width: 30px; height: 2px; background: #4b89ff; }
.hero h1 { max-width: 720px; margin: 20px 0 20px; font-size: clamp(38px, 4.7vw, 66px); line-height: 1.12; letter-spacing: -.045em; }
.hero h1 em { color: #6ff0d0; font-style: normal; }
.hero-lead { max-width: 710px; margin: 0; color: #b7c5d7; font-size: 15px; line-height: 1.9; }
.hero-lead code { color: #dce8ff; }
.hero-points { display: flex; gap: 0; margin: 32px 0; }
.hero-points span { min-width: 135px; display: flex; align-items: center; gap: 10px; padding-right: 24px; }
.hero-points span + span { padding-left: 24px; border-left: 1px solid rgba(255,255,255,.13); }
.hero-points b { color: #fff; font-size: 28px; line-height: 1; }
.hero-points small { color: #8fa2b9; font-size: 9px; line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; padding: 0 20px; border-radius: 10px; font-size: 12px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { color: #fff; background: var(--blue); box-shadow: 0 14px 28px rgba(36,107,254,.3); }
.button.secondary { color: #d8e5f5; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); }

.hero-demo { padding: 18px; background: rgba(13,28,49,.78); border: 1px solid rgba(133,166,209,.23); border-radius: 20px; box-shadow: 0 35px 100px rgba(0,0,0,.35); backdrop-filter: blur(10px); }
.demo-head { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 12px; padding-bottom: 14px; color: #dce7f6; border-bottom: 1px solid rgba(255,255,255,.09); font-size: 10px; }
.demo-head > span { display: flex; gap: 5px; }
.demo-head > span i { width: 6px; height: 6px; background: #3e526d; border-radius: 50%; }
.demo-head small { padding: 4px 8px; color: #62e6bc; background: rgba(24,165,108,.13); border-radius: 999px; }
.demo-input { display: grid; gap: 7px; margin-top: 16px; padding: 14px; background: rgba(4,12,24,.68); border-radius: 11px; }
.demo-input span { color: #7186a2; font-size: 9px; }
.demo-input code { padding: 5px 8px; color: #d8e4f3; background: rgba(255,255,255,.04); border-radius: 5px; font-size: 9px; }
.demo-arrow { display: flex; align-items: center; gap: 9px; margin: 13px 0; color: #70e8c4; font-size: 9px; font-weight: 700; }
.demo-arrow span { height: 1px; flex: 1; background: linear-gradient(to right, rgba(112,232,196,0), #70e8c4); }
.demo-results { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.demo-results span { display: grid; grid-template-columns: 27px 1fr; padding: 10px; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.07); border-radius: 9px; }
.demo-results i { grid-row: 1 / 3; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 6px; font-size: 9px; font-style: normal; }
.demo-results b { font-size: 10px; }
.demo-results small { color: #7e91aa; font-size: 8px; }
.demo-results .good i { color: #60eab9; background: rgba(24,165,108,.16); }
.demo-results .channel i { color: #6a9fff; background: rgba(36,107,254,.18); }
.demo-results .person i { color: #ff7fbe; background: rgba(228,77,145,.16); }
.demo-results .bad i { color: #ff8187; background: rgba(228,77,86,.15); }

.section { padding: 78px clamp(34px, 5.7vw, 86px); background: #fff; }
.compact-section { padding-top: 62px; padding-bottom: 66px; }
.soft-section { background: #f5f8fc; }
.dark-section { color: #fff; background: var(--navy-2); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 34px; }
.section-heading h2 { margin: 5px 0 0; font-size: clamp(27px, 3.2vw, 43px); line-height: 1.22; letter-spacing: -.035em; }
.section-heading > p { max-width: 430px; margin: 0 0 4px; color: var(--muted); font-size: 12px; text-align: right; }
.section-heading.light > p { color: #99abc2; }
.section-no { color: var(--blue); font-size: 10px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }

.mode-table { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.mode-row { display: grid; grid-template-columns: 1.35fr .6fr .6fr 1.25fr; align-items: center; min-height: 64px; background: #fff; border-top: 1px solid var(--line); }
.mode-row:first-child { border-top: 0; }
.mode-row > span { padding: 12px 18px; font-size: 11px; }
.mode-row > span + span { border-left: 1px solid var(--line); }
.mode-row b, .mode-row small { display: block; }
.mode-row b { font-size: 12px; }
.mode-row small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.mode-header { min-height: 38px; color: #728096; background: #edf2f7; font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.mode-header > span { padding-top: 8px; padding-bottom: 8px; }
.mode-row.featured { background: #f4fbf8; box-shadow: inset 3px 0 var(--green); }
.free { color: var(--green); font-weight: 850; }
.need { color: #d77712; font-weight: 850; }
.notice { display: flex; align-items: flex-start; gap: 12px; margin-top: 20px; padding: 15px 17px; border-radius: 11px; }
.notice > span { width: 25px; height: 25px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; font-weight: 900; }
.notice b { font-size: 12px; }
.notice p { margin: 2px 0 0; font-size: 10px; }
.notice.success { color: #126944; background: #eaf8f2; border: 1px solid #c7ebda; }
.notice.success > span { color: #fff; background: var(--green); }
.notice.neutral { color: #3f536d; background: #e9f0fb; border: 1px solid #cfddf2; }
.notice.neutral > span { color: #fff; background: var(--blue); font-family: Georgia, serif; }

.feature-banner { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; gap: 18px; margin-bottom: 32px; padding: 18px 20px; background: linear-gradient(90deg, #eef5ff, #f2fbf8); border: 1px solid #ceddf0; border-radius: 14px; }
.feature-icon { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, var(--blue), #6e66ff); border-radius: 12px; font-size: 20px; font-weight: 900; }
.feature-banner b { font-size: 13px; }
.feature-banner p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }
.feature-banner > span { padding: 6px 10px; color: #16704c; background: #fff; border: 1px solid #bfe1d2; border-radius: 999px; font-size: 9px; font-weight: 850; }

.steps-layout { display: grid; grid-template-columns: minmax(320px,.8fr) minmax(500px,1.2fr); align-items: start; gap: 38px; }
.steps-layout.reverse { grid-template-columns: minmax(500px,1.15fr) minmax(340px,.85fr); }
.steps { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.steps li { position: relative; display: grid; grid-template-columns: 38px 1fr; gap: 13px; padding-bottom: 24px; }
.steps li:not(:last-child)::before { content: ""; position: absolute; top: 34px; bottom: 0; left: 18px; width: 1px; background: #ccd8e5; }
.steps li > span { position: relative; z-index: 1; width: 37px; height: 37px; display: grid; place-items: center; color: var(--blue); background: #edf4ff; border: 1px solid #cbdcff; border-radius: 11px; font-size: 11px; font-weight: 900; }
.steps h3 { margin: 2px 0 4px; font-size: 14px; }
.steps p { margin: 0; color: var(--muted); font-size: 10px; }
.steps.compact li { padding-bottom: 18px; }
.code-block { display: block; margin-top: 10px; padding: 10px 12px; color: #b8c9dd; background: var(--navy); border-radius: 8px; font-size: 9px; line-height: 1.65; white-space: pre-line; }

.screenshot-card { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.image-button { position: relative; width: 100%; display: block; padding: 0; background: #e8edf4; border: 0; cursor: zoom-in; overflow: hidden; }
.image-button img { width: 100%; transition: transform .35s ease; }
.image-button:hover img { transform: scale(1.012); }
.image-button > span { position: absolute; right: 12px; bottom: 12px; padding: 6px 10px; color: #fff; background: rgba(7,17,31,.82); border-radius: 7px; font-size: 9px; opacity: 0; transform: translateY(5px); transition: .2s ease; }
.image-button:hover > span, .image-button:focus > span { opacity: 1; transform: translateY(0); }
.screenshot-card figcaption { display: grid; padding: 13px 16px 15px; }
.screenshot-card figcaption b { font-size: 11px; }
.screenshot-card figcaption span { margin-top: 2px; color: var(--muted); font-size: 9px; }

.numbered-notes { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 34px; }
.numbered-notes article { display: flex; gap: 12px; padding: 16px; background: #f6f8fb; border: 1px solid var(--line); border-radius: 12px; }
.numbered-notes article > span { color: #90a0b2; font-family: Georgia, serif; font-size: 20px; line-height: 1; }
.numbered-notes b { font-size: 11px; }
.numbered-notes p { margin: 4px 0 0; color: var(--muted); font-size: 9px; }

.result-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.result-grid article { position: relative; min-height: 160px; padding: 18px; background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.08); border-radius: 13px; overflow: hidden; }
.result-grid article::after { content: ""; position: absolute; right: -25px; bottom: -40px; width: 90px; height: 90px; background: currentColor; border-radius: 50%; opacity: .055; }
.result-grid i { width: 29px; height: 29px; display: grid; place-items: center; color: currentColor; background: rgba(255,255,255,.08); border-radius: 8px; font-size: 12px; font-style: normal; font-weight: 900; }
.result-grid h3 { margin: 18px 0 5px; color: #fff; font-size: 12px; }
.result-grid p { margin: 0; color: #93a5bb; font-size: 9px; }
.accent-green { color: #55e2a9; }.accent-yellow { color: #ffc75e; }.accent-blue { color: #6e9cff; }.accent-pink { color: #ff79ba; }
.accent-cyan { color: #43dfdb; }.accent-purple { color: #a695ff; }.accent-red { color: #ff7179; }.accent-orange { color: #ff9b57; }
.result-tip { display: flex; align-items: center; gap: 20px; margin-top: 17px; padding: 15px 18px; color: #b9c8da; background: rgba(0,0,0,.15); border-radius: 10px; font-size: 10px; }
.result-tip b { color: #fff; white-space: nowrap; }

.split-card { display: grid; grid-template-columns: 1fr .82fr; gap: 35px; padding: clamp(22px,4vw,40px); background: #f7f9fc; border: 1px solid var(--line); border-radius: var(--radius); }
.tag { width: fit-content; margin-bottom: 14px; padding: 5px 9px; border-radius: 6px; font-size: 9px; font-weight: 850; }
.tag.warning { color: #96580f; background: #fff1d6; }
.split-card h3 { margin: 0 0 10px; font-size: 20px; }
.split-card > div > p { color: var(--muted); font-size: 11px; }
.mini-steps { display: grid; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.mini-steps li { display: grid; grid-template-columns: 145px 1fr; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.mini-steps b { font-size: 10px; }
.mini-steps span { color: var(--muted); font-size: 9px; }
.compare-box { display: grid; align-content: center; gap: 12px; }
.compare-box > div { display: grid; gap: 7px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 12px 35px rgba(11,23,40,.06); }
.compare-box span { color: var(--muted); font-size: 9px; }
.compare-box code { color: var(--ink); font-size: 12px; font-weight: 700; }
.compare-box b { font-size: 10px; }
.compare-box .yes { color: var(--green); }.compare-box .no { color: #d77712; }

.account-flow { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; }
.account-flow article { padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: 13px; }
.account-flow article > span { color: var(--blue); font-family: Georgia, serif; font-size: 28px; }
.account-flow h3 { margin: 15px 0 5px; font-size: 12px; }
.account-flow p { margin: 0; color: var(--muted); font-size: 9px; }

.create-summary { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 14px; margin-bottom: 34px; }
.create-summary > div { min-height: 90px; display: grid; align-content: center; padding: 15px 18px; background: #f5f8fb; border: 1px solid var(--line); border-radius: 12px; text-align: center; }
.create-summary span { color: var(--blue); font-size: 8px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.create-summary b { margin-top: 4px; font-size: 11px; }
.create-summary > i { color: #9aa9ba; font-style: normal; }
.rules-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-top: 34px; }
.rules-grid article { display: flex; gap: 11px; padding: 15px; background: #f6f8fb; border-radius: 11px; }
.rules-grid i { width: 27px; height: 27px; display: grid; place-items: center; flex: 0 0 auto; color: var(--blue); background: #e6efff; border-radius: 8px; font-style: normal; font-weight: 900; }
.rules-grid b { font-size: 10px; }
.rules-grid p { margin: 3px 0 0; color: var(--muted); font-size: 8px; }

.danger-box { padding: 18px; color: #8d2b34; background: #fff0f1; border: 1px solid #f0c7ca; border-radius: 12px; }
.danger-box b { font-size: 12px; }
.danger-box p { margin: 5px 0 0; font-size: 9px; }
.mini-steps.numbered { margin-top: 18px; }
.mini-steps.numbered li { grid-template-columns: 1fr; gap: 2px; }

.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 4px; cursor: pointer; font-size: 12px; font-weight: 750; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary i { position: relative; width: 22px; height: 22px; flex: 0 0 auto; background: #eef3f8; border-radius: 50%; }
.faq-list summary i::before, .faq-list summary i::after { content: ""; position: absolute; top: 10px; left: 6px; width: 10px; height: 1px; background: #536176; transition: transform .2s ease; }
.faq-list summary i::after { transform: rotate(90deg); }
.faq-list details[open] summary i::after { transform: rotate(0); }
.faq-list details > div { max-width: 900px; padding: 0 42px 18px 4px; color: var(--muted); font-size: 10px; }
.faq-list p { margin: 0; }

.quick-card { display: flex; align-items: center; justify-content: space-between; gap: 28px; margin: 0 clamp(34px, 5.7vw, 86px) 68px; padding: 34px 40px; color: #fff; background: linear-gradient(120deg, #246bfe, #6758ff 58%, #13a897); border-radius: 20px; box-shadow: 0 24px 60px rgba(36,107,254,.24); }
.quick-card span { color: #c6d7ff; font-size: 9px; font-weight: 850; letter-spacing: .15em; text-transform: uppercase; }
.quick-card h2 { margin: 5px 0 4px; font-size: 26px; }
.quick-card p { margin: 0; color: #dce7ff; font-size: 10px; }
.light-button { min-width: 145px; color: var(--blue); background: #fff; }

footer { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; padding: 28px clamp(34px, 5.7vw, 86px); color: #7f90a7; background: var(--navy); border-top: 1px solid rgba(255,255,255,.08); }
.footer-brand { color: #fff; }
footer p { margin: 0; font-size: 9px; text-align: center; }
footer > a { color: #a9bdd4; font-size: 9px; }

.image-modal { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center; padding: 60px 30px 38px; background: rgba(3,9,18,.91); backdrop-filter: blur(12px); }
.image-modal[hidden] { display: none; }
.image-modal img { max-width: min(1200px, 94vw); max-height: 82vh; object-fit: contain; border-radius: 8px; box-shadow: 0 35px 100px rgba(0,0,0,.55); }
.image-modal p { margin: 12px 0 0; color: #899bb2; font-size: 9px; }
.modal-close { position: absolute; top: 18px; right: 24px; width: 38px; height: 38px; display: grid; place-items: center; color: #fff; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.15); border-radius: 50%; cursor: pointer; font-size: 23px; }

/* 教程正文统一放大，确保桌面端和移动端都能轻松阅读。 */
body { font-size: 16px; line-height: 1.78; }
.brand b { font-size: 16px; }
.brand small { font-size: 11px; }
.status-pill { font-size: 13px; }
.sidebar-title { font-size: 12px; }
.sidebar nav a { padding: 10px 11px; font-size: 14px; }
.sidebar nav a span { font-size: 11px; }
.sidebar-help b { font-size: 14px; }
.sidebar-help p { font-size: 13px; }
.eyebrow { font-size: 12px; }
.hero-lead { font-size: 17px; }
.hero-points small { font-size: 12px; }
.button { font-size: 14px; }
.demo-head { font-size: 13px; }
.demo-input span, .demo-input code, .demo-arrow { font-size: 12px; }
.demo-results i { font-size: 11px; }
.demo-results b { font-size: 13px; }
.demo-results small { font-size: 11px; }
.section-heading > p { font-size: 15px; }
.section-no { font-size: 12px; }
.mode-row > span { font-size: 14px; }
.mode-row b { font-size: 15px; }
.mode-row small { font-size: 12px; }
.mode-header { font-size: 12px; }
.notice b { font-size: 15px; }
.notice p { font-size: 13px; }
.feature-banner b { font-size: 16px; }
.feature-banner p { font-size: 13px; }
.feature-banner > span { font-size: 12px; }
.steps li > span { font-size: 13px; }
.steps h3 { font-size: 17px; }
.steps p { font-size: 14px; }
.code-block { font-size: 12px; }
.image-button > span { font-size: 12px; }
.screenshot-card figcaption { padding: 16px 18px 18px; }
.screenshot-card figcaption b { font-size: 15px; }
.screenshot-card figcaption span { font-size: 13px; }
.section-shot { max-width: 1120px; margin: 34px auto 0; }
.numbered-notes b { font-size: 14px; }
.numbered-notes p { font-size: 13px; }
.result-grid h3 { font-size: 15px; }
.result-grid p { font-size: 13px; }
.result-tip { font-size: 13px; }
.tag { font-size: 12px; }
.split-card h3 { font-size: 22px; }
.split-card > div > p { font-size: 14px; }
.mini-steps b { font-size: 14px; }
.mini-steps span { font-size: 13px; }
.compare-box span { font-size: 12px; }
.compare-box code { font-size: 14px; }
.compare-box b { font-size: 13px; }
.account-flow h3 { font-size: 15px; }
.account-flow p { font-size: 13px; }
.create-summary span { font-size: 11px; }
.create-summary b { font-size: 14px; }
.rules-grid b { font-size: 14px; }
.rules-grid p { font-size: 12px; }
.danger-box b { font-size: 16px; }
.danger-box p { font-size: 14px; }
.leave-notes { max-width: 900px; }
.faq-list summary { font-size: 16px; }
.faq-list details > div { font-size: 14px; }
.quick-card span { font-size: 12px; }
.quick-card p { font-size: 14px; }
footer p, footer > a { font-size: 12px; }
.image-modal p { font-size: 12px; }

@media (max-width: 1120px) {
  .page-shell { grid-template-columns: 210px minmax(0,1fr); }
  .hero { grid-template-columns: 1fr; gap: 40px; }
  .hero-demo { max-width: 720px; }
  .result-grid { grid-template-columns: repeat(2,1fr); }
  .account-flow, .rules-grid { grid-template-columns: repeat(2,1fr); }
  .steps-layout, .steps-layout.reverse { grid-template-columns: 1fr; }
  .steps-layout.reverse .screenshot-card { order: 2; }
  .wide-shot { max-width: 900px; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 62px; }
  .topbar { height: 60px; padding: 0 16px; }
  .status-pill { display: none; }
  .menu-button { display: block; }
  .page-shell { display: block; }
  .sidebar { position: fixed; z-index: 90; top: 60px; left: 0; width: min(300px,86vw); height: calc(100vh - 60px); transform: translateX(-105%); transition: transform .25s ease; box-shadow: 20px 0 50px rgba(7,17,31,.22); }
  body.menu-open { overflow: hidden; }
  body.menu-open .sidebar { transform: translateX(0); }
  .hero { min-height: 0; padding: 58px 24px; }
  .hero h1 { font-size: clamp(35px,10vw,52px); }
  .section { padding: 58px 22px; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 10px; text-align: left; }
  .mode-table { overflow-x: auto; }
  .mode-row { min-width: 700px; }
  .feature-banner { grid-template-columns: auto 1fr; }
  .feature-banner > span { width: fit-content; }
  .numbered-notes { grid-template-columns: 1fr; }
  .split-card { grid-template-columns: 1fr; }
  .create-summary { grid-template-columns: 1fr; }
  .create-summary > i { transform: rotate(90deg); text-align: center; }
  .quick-card { display: block; margin: 0 22px 50px; padding: 28px; }
  .quick-card .button { margin-top: 20px; }
  footer { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { justify-self: center; }
}

@media (max-width: 560px) {
  .brand small { display: none; }
  .hero-points { display: grid; grid-template-columns: repeat(3,1fr); }
  .hero-points span { min-width: 0; display: grid; justify-items: start; padding: 0 10px 0 0; }
  .hero-points span + span { padding-left: 10px; }
  .hero-points b { font-size: 23px; }
  .hero-demo { padding: 12px; }
  .demo-results { grid-template-columns: 1fr; }
  .result-grid, .account-flow, .rules-grid { grid-template-columns: 1fr; }
  .feature-banner { grid-template-columns: 1fr; }
  .feature-icon { width: 36px; height: 36px; }
  .mini-steps li { grid-template-columns: 1fr; gap: 2px; }
  .section-heading h2 { font-size: 28px; }
  .quick-card h2 { font-size: 22px; }
}

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