From ed4ebcfa763f66ecd69cae57df2c949a7a9a8a45 Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Sat, 13 Jun 2026 20:23:29 +0800
Subject: [PATCH] Prepare 7.9.1 usage tips release

---
 docs/styles.css |  949 ++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 808 insertions(+), 141 deletions(-)

diff --git a/docs/styles.css b/docs/styles.css
index 626f51d..e352258 100644
--- a/docs/styles.css
+++ b/docs/styles.css
@@ -1,26 +1,21 @@
 :root {
-  --bg: #f5f5f7;
-  --surface: #ffffff;
+  --layout-max: 1080px;
+  --layout-pad: 28px;
+  --header-h: 64px;
+  --bg: #f4f6fb;
+  --bg-elevated: #ffffff;
   --text: #1d1d1f;
-  --muted: #6e6e73;
+  --muted: #5c5c66;
   --accent: #0071e3;
   --accent-hover: #0077ed;
   --border: rgba(0, 0, 0, 0.08);
-  --radius: 14px;
-  --shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
-  --max: 920px;
-  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --bg: #000000;
-    --surface: #1c1c1e;
-    --text: #f5f5f7;
-    --muted: #a1a1a6;
-    --border: rgba(255, 255, 255, 0.12);
-    --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
-  }
+  --radius: 16px;
+  --shadow: 0 20px 50px rgba(30, 45, 90, 0.12);
+  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "PingFang SC", "Segoe UI", sans-serif;
+  --hero-bg: #ffffff;
+  --section-blue: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
+  --section-lilac: linear-gradient(135deg, #fbfcff 0%, #ffffff 44%, #f8f5ff 100%);
+  --section-mint: linear-gradient(135deg, #ffffff 0%, #f7fbff 52%, #f3fbf7 100%);
 }
 
 * {
@@ -34,10 +29,15 @@
 body {
   margin: 0;
   font-family: var(--font);
-  background: var(--bg);
   color: var(--text);
   line-height: 1.55;
   -webkit-font-smoothing: antialiased;
+  background: linear-gradient(180deg, #fbfcff 0%, #f4f7ff 38%, #f5fbf8 72%, #fbfcff 100%);
+  min-height: 100vh;
+}
+
+.page-home {
+  background: #ffffff;
 }
 
 a {
@@ -49,189 +49,741 @@
   text-decoration: underline;
 }
 
-.wrap {
-  max-width: var(--max);
-  margin: 0 auto;
-  padding: 0 24px 80px;
+/* One width for header, main, footer */
+.layout {
+  width: 100%;
+  max-width: var(--layout-max);
+  margin-left: auto;
+  margin-right: auto;
+  padding-left: var(--layout-pad);
+  padding-right: var(--layout-pad);
 }
 
+/* Header — fixed lang switch slot on the right */
 .site-header {
   position: sticky;
   top: 0;
-  z-index: 10;
-  backdrop-filter: blur(16px);
-  background: color-mix(in srgb, var(--bg) 82%, transparent);
+  z-index: 50;
+  height: var(--header-h);
+  background: rgba(250, 252, 255, 0.86);
   border-bottom: 1px solid var(--border);
+  backdrop-filter: blur(16px) saturate(1.25);
 }
 
-.site-header .inner {
-  max-width: var(--max);
-  margin: 0 auto;
-  padding: 14px 24px;
-  display: flex;
+.site-header__bar {
+  height: var(--header-h);
+  display: grid;
+  grid-template-columns: auto 1fr auto;
   align-items: center;
-  justify-content: space-between;
-  gap: 16px;
+  gap: 20px;
 }
 
 .brand {
   display: flex;
   align-items: center;
   gap: 10px;
-  font-weight: 600;
-  font-size: 1.05rem;
+  font-weight: 650;
+  font-size: 1.02rem;
   color: var(--text);
   text-decoration: none;
+  white-space: nowrap;
 }
 
 .brand:hover {
   text-decoration: none;
 }
 
-.brand-mark {
-  width: 32px;
-  height: 32px;
+.brand img {
+  width: 34px;
+  height: 34px;
   border-radius: 8px;
-  background: linear-gradient(145deg, #5ac8fa, #0071e3 55%, #5856d6);
-  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.35);
+  box-shadow: 0 4px 14px rgba(0, 113, 227, 0.22);
 }
 
-nav {
+.site-nav {
   display: flex;
   flex-wrap: wrap;
-  gap: 8px 18px;
+  justify-content: center;
+  gap: 6px 20px;
   font-size: 0.92rem;
 }
 
-nav a {
+.site-nav a {
   color: var(--muted);
 }
 
-nav a[aria-current="page"] {
+.site-nav a[aria-current="page"] {
   color: var(--text);
   font-weight: 600;
 }
 
-.hero {
-  padding: 56px 0 40px;
-  text-align: center;
+.lang-switch {
+  display: inline-flex;
+  align-items: center;
+  padding: 4px;
+  border-radius: 999px;
+  background: rgba(0, 0, 0, 0.05);
+  border: 1px solid var(--border);
+  flex-shrink: 0;
 }
 
-.hero h1 {
-  margin: 0 0 12px;
-  font-size: clamp(2rem, 5vw, 2.75rem);
-  letter-spacing: -0.03em;
-  line-height: 1.1;
-}
-
-.hero .lead {
-  margin: 0 auto;
-  max-width: 36em;
-  font-size: 1.15rem;
+.lang-switch a {
+  display: inline-block;
+  padding: 6px 14px;
+  border-radius: 999px;
+  font-size: 0.82rem;
+  font-weight: 600;
   color: var(--muted);
+  text-decoration: none;
 }
 
-.pill-row {
+.lang-switch a:hover {
+  text-decoration: none;
+  color: var(--text);
+}
+
+.lang-switch a.is-active {
+  background: var(--bg-elevated);
+  color: var(--text);
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
+}
+
+/* Legacy floating hero icon — must not appear */
+.icon-float,
+.icon-orb {
+  display: none !important;
+}
+
+.page-home .site-header {
+  background: #ffffff;
+}
+
+/* Hero — copy left, original design visual right (compact, no forced full-screen) */
+.hero {
+  width: 100%;
+  padding: 40px 0 48px;
+  background: var(--hero-bg);
+  overflow: hidden;
+}
+
+.hero__split {
+  display: grid;
+  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
+  gap: 12px 32px;
+  align-items: center;
+}
+
+.hero__copy {
+  padding: 8px 0;
+}
+
+.hero__headline {
+  margin: 0;
+  font-size: clamp(2rem, 4.8vw, 3.15rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.1;
+  color: #000;
+}
+
+.hero__headline span {
+  display: block;
+}
+
+.hero__lead {
+  margin: 28px 0 0;
+  font-size: clamp(1rem, 1.7vw, 1.2rem);
+  line-height: 1.7;
+  color: #1d1d1f;
+  max-width: 22em;
+}
+
+/* Right art: user-provided hero visual (black bg removed → white) */
+.hero__art {
+  margin: 0;
+  line-height: 0;
   display: flex;
-  flex-wrap: wrap;
-  justify-content: center;
-  gap: 10px;
+  align-items: center;
+  justify-content: flex-end;
+  background: var(--hero-bg);
+}
+
+.hero__art img {
+  display: block;
+  width: 100%;
+  max-width: 100%;
+  height: auto;
+  background: var(--hero-bg);
+  border: 0;
+}
+
+/* Second screen — 4 view modes */
+.views {
+  padding: 56px 0 64px;
+  background: var(--section-blue);
+}
+
+.views__split {
+  display: grid;
+  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
+  gap: 28px 48px;
+  align-items: start;
+}
+
+.views__gallery {
+  display: grid;
+  grid-template-columns: repeat(2, minmax(0, 1fr));
+  gap: 12px;
+  max-width: 500px;
+  justify-self: start;
+}
+
+.views__shot {
+  margin: 0;
+  aspect-ratio: 720 / 450;
+  border-radius: 12px;
+  overflow: hidden;
+  line-height: 0;
+  background: #f5f5f7;
+  box-shadow: 0 10px 28px rgba(30, 45, 90, 0.1);
+  border: 1px solid rgba(0, 0, 0, 0.06);
+}
+
+.views__shot img {
+  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  object-position: center bottom;
+}
+
+.views__headline {
+  margin: 0;
+  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.12;
+  color: #000;
+}
+
+.views__lead {
+  margin: 22px 0 0;
+  font-size: clamp(0.98rem, 1.55vw, 1.1rem);
+  line-height: 1.75;
+  color: #6e6e73;
+  max-width: 26em;
+}
+
+.views__rule {
+  margin: 30px 0 22px;
+  border: 0;
+  height: 1px;
+  background: linear-gradient(90deg, rgba(99, 102, 241, 0.5), rgba(99, 102, 241, 0.06));
+}
+
+.views__label {
+  margin: 0 0 16px;
+  font-size: 0.94rem;
+  color: #86868b;
+}
+
+.views__details {
+  display: grid;
+  grid-template-columns: minmax(190px, 1fr) max-content;
+  gap: 20px 34px;
+  align-items: end;
+}
+
+.views__modes {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+  display: grid;
+  gap: 12px;
+}
+
+.views__modes li {
+  position: relative;
+  padding-left: 22px;
+  font-size: 1.04rem;
+  font-weight: 500;
+  color: #1d1d1f;
+}
+
+.views__modes li::before {
+  content: "";
+  position: absolute;
+  left: 0;
+  top: 0.58em;
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: var(--accent);
+}
+
+.views__shortcut {
+  display: inline-flex;
+  flex-direction: column;
+  gap: 6px;
+  margin-top: 0;
+  flex-shrink: 0;
+  padding: 12px 18px;
+  border-radius: 14px;
+  background: #f5f5f7;
+  border: 1px solid var(--border);
+}
+
+.views__shortcut-label {
+  font-size: 0.8rem;
+  color: #86868b;
+}
+
+.views__shortcut-keys {
+  font-size: 1.02rem;
+  font-weight: 650;
+  letter-spacing: 0.01em;
+}
+
+/* Third screen — tag management */
+.tags {
+  padding: 56px 0 64px;
+  background: var(--section-lilac);
+}
+
+.tags__split {
+  display: grid;
+  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
+  gap: 28px 48px;
+  align-items: center;
+}
+
+.tags__headline {
+  margin: 0;
+  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.12;
+  color: #000;
+}
+
+.tags__points {
+  list-style: none;
+  margin: 28px 0 0;
+  padding: 0;
+  display: grid;
+  gap: 18px;
+  max-width: 28em;
+}
+
+.tags__points li {
+  position: relative;
+  padding-left: 22px;
+  font-size: clamp(0.98rem, 1.55vw, 1.1rem);
+  line-height: 1.75;
+  color: #1d1d1f;
+}
+
+.tags__points li::before {
+  content: "";
+  position: absolute;
+  left: 0;
+  top: 0.72em;
+  width: 8px;
+  height: 8px;
+  border-radius: 50%;
+  background: var(--accent);
+}
+
+.tags__points strong {
+  font-weight: 700;
+  color: #000;
+}
+
+.tags__art {
+  margin: 0;
+  aspect-ratio: 880 / 552;
+  line-height: 0;
+  justify-self: end;
+  max-width: 540px;
+  width: 100%;
+  border-radius: 12px;
+  overflow: hidden;
+  background: #f5f5f7;
+  box-shadow: 0 10px 28px rgba(30, 45, 90, 0.1);
+  border: 1px solid rgba(0, 0, 0, 0.06);
+}
+
+.tags__art img {
+  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  object-position: center bottom;
+}
+
+/* Fourth screen — app memos */
+.memo {
+  padding: 56px 0 64px;
+  background: var(--section-mint);
+}
+
+.memo__split {
+  display: grid;
+  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
+  gap: 28px 48px;
+  align-items: center;
+}
+
+.memo__art {
+  margin: 0;
+  aspect-ratio: 880 / 552;
+  line-height: 0;
+  justify-self: start;
+  max-width: 540px;
+  width: 100%;
+  border-radius: 12px;
+  overflow: hidden;
+  background: #f5f5f7;
+  box-shadow: 0 10px 28px rgba(30, 45, 90, 0.1);
+  border: 1px solid rgba(0, 0, 0, 0.06);
+}
+
+.memo__art img {
+  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  object-position: center bottom;
+}
+
+.memo__headline {
+  margin: 0;
+  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.12;
+  color: #000;
+}
+
+.memo__lead {
+  margin: 22px 0 0;
+  font-size: clamp(0.98rem, 1.55vw, 1.1rem);
+  line-height: 1.75;
+  color: #6e6e73;
+  max-width: 22em;
+}
+
+/* Fifth screen — global Quick Search */
+.search {
+  padding: 56px 0 64px;
+  background: var(--section-lilac);
+}
+
+.search__split {
+  display: grid;
+  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
+  gap: 28px 48px;
+  align-items: center;
+}
+
+.search__headline {
+  margin: 0;
+  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.12;
+  color: #000;
+}
+
+.search__lead {
+  margin: 22px 0 0;
+  font-size: clamp(0.98rem, 1.55vw, 1.1rem);
+  line-height: 1.75;
+  color: #6e6e73;
+  max-width: 24em;
+}
+
+.search__tagline {
+  margin: 16px 0 0;
+  font-size: clamp(0.98rem, 1.55vw, 1.1rem);
+  line-height: 1.75;
+  color: #1d1d1f;
+  font-weight: 500;
+  max-width: 24em;
+}
+
+.search__shortcut {
+  margin-top: 32px;
+  display: inline-flex;
+  flex-direction: column;
+  gap: 6px;
+  padding: 14px 20px;
+  border-radius: 14px;
+  background: #f5f5f7;
+  border: 1px solid var(--border);
+}
+
+.search__shortcut-label {
+  font-size: 0.8rem;
+  color: #86868b;
+}
+
+.search__shortcut-keys {
+  font-size: 1.02rem;
+  font-weight: 650;
+  letter-spacing: 0.01em;
+}
+
+.search__art {
+  margin: 0;
+  line-height: 0;
+  justify-self: end;
+  max-width: 500px;
+  width: 100%;
+  border-radius: 0;
+  overflow: visible;
+  background: transparent;
+  box-shadow: none;
+  border: 0;
+}
+
+.search__art img {
+  display: block;
+  width: 100%;
+  height: auto;
+  filter: drop-shadow(0 14px 28px rgba(30, 45, 90, 0.12));
+}
+
+/* Sixth screen — backup & restore */
+.backup {
+  padding: 56px 0 64px;
+  background: var(--section-blue);
+}
+
+.backup__split {
+  display: grid;
+  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
+  gap: 28px 48px;
+  align-items: center;
+}
+
+.backup__art {
+  margin: 0;
+  line-height: 0;
+  justify-self: start;
+  max-width: 540px;
+  width: 100%;
+  border-radius: 12px;
+  overflow: hidden;
+  background: #f5f5f7;
+  box-shadow: 0 10px 28px rgba(30, 45, 90, 0.1);
+  border: 1px solid rgba(0, 0, 0, 0.06);
+}
+
+.backup__art img {
+  display: block;
+  width: 100%;
+  height: auto;
+}
+
+.backup__headline {
+  margin: 0;
+  font-size: clamp(1.85rem, 3.8vw, 2.7rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.12;
+  color: #000;
+}
+
+.backup__lead {
+  margin: 22px 0 0;
+  font-size: clamp(0.98rem, 1.55vw, 1.1rem);
+  line-height: 1.75;
+  color: #1d1d1f;
+  max-width: 24em;
+}
+
+.backup__lead strong {
+  font-weight: 700;
+  color: #000;
+}
+
+/* Seventh screen — offline & privacy */
+.privacy {
+  padding: 56px 0 64px;
+  background: var(--section-mint);
+}
+
+.privacy__split {
+  display: grid;
+  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
+  gap: 28px 48px;
+  align-items: center;
+}
+
+.privacy__headline {
+  margin: 0;
+  font-size: clamp(2rem, 4.2vw, 3rem);
+  font-weight: 800;
+  letter-spacing: 0;
+  line-height: 1.08;
+  color: #000;
+}
+
+.privacy__lead {
+  margin: 24px 0 0;
+  font-size: clamp(1rem, 1.6vw, 1.15rem);
+  line-height: 1.75;
+  color: #1d1d1f;
+  max-width: 26em;
+}
+
+.privacy__feature {
   margin-top: 28px;
 }
 
-.pill {
-  padding: 6px 14px;
-  border-radius: 999px;
-  background: var(--surface);
-  border: 1px solid var(--border);
-  font-size: 0.85rem;
-  color: var(--muted);
+.privacy__feature-title {
+  margin: 0;
+  font-size: 1.08rem;
+  font-weight: 700;
+  color: #000;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.privacy__feature-title--accent {
+  color: #1d1d1f;
+}
+
+.privacy__feature-icon {
+  width: 18px;
+  height: 18px;
+  border-radius: 50%;
+  background: #34c759;
+  display: inline-block;
+  flex-shrink: 0;
+  position: relative;
+}
+
+.privacy__feature-icon::after {
+  content: "";
+  position: absolute;
+  left: 5px;
+  top: 4px;
+  width: 5px;
+  height: 8px;
+  border-right: 2px solid #fff;
+  border-bottom: 2px solid #fff;
+  transform: rotate(40deg);
+}
+
+.privacy__feature-text {
+  margin: 8px 0 0;
+  font-size: 0.95rem;
+  line-height: 1.7;
+  color: #6e6e73;
+  max-width: 28em;
+}
+
+.privacy__art {
+  margin: 0;
+  line-height: 0;
+  justify-self: end;
+  max-width: 340px;
+  width: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.privacy__art img {
+  display: block;
+  width: min(100%, 320px);
+  height: auto;
+  filter: drop-shadow(0 18px 36px rgba(60, 80, 140, 0.16));
+}
+
+/* Inner pages (support, privacy) */
+.page-main {
+  padding: 56px 0 72px;
 }
 
 .card {
-  background: var(--surface);
+  background: var(--bg-elevated);
   border: 1px solid var(--border);
   border-radius: var(--radius);
   box-shadow: var(--shadow);
   padding: 28px 32px;
-  margin-bottom: 24px;
+  margin-bottom: 22px;
 }
 
+.card h1,
 .card h2 {
+  margin: 0 0 14px;
+  font-size: 1.3rem;
+  letter-spacing: 0;
+}
+
+/* Features + CTA — full-width white band */
+.features {
+  padding: 56px 0 72px;
+  background: linear-gradient(180deg, #ffffff 0%, #f7f9ff 100%);
+}
+
+.features__headline {
+  margin: 0 0 24px;
+  font-size: 1.3rem;
+  letter-spacing: 0;
+}
+
+.features__cta {
+  margin-top: 40px;
+  text-align: center;
+}
+
+.features__cta p {
   margin: 0 0 16px;
-  font-size: 1.35rem;
-  letter-spacing: -0.02em;
-}
-
-.card h3 {
-  margin: 24px 0 10px;
-  font-size: 1.05rem;
-}
-
-.compare {
-  width: 100%;
-  border-collapse: collapse;
-  font-size: 0.95rem;
-}
-
-.compare th,
-.compare td {
-  text-align: left;
-  padding: 12px 14px;
-  border-bottom: 1px solid var(--border);
-  vertical-align: top;
-}
-
-.compare th {
-  font-size: 0.8rem;
-  text-transform: uppercase;
-  letter-spacing: 0.04em;
   color: var(--muted);
-}
-
-.compare tr:last-child td {
-  border-bottom: none;
 }
 
 .feature-grid {
   display: grid;
-  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
-  gap: 16px;
+  grid-template-columns: repeat(3, minmax(0, 1fr));
+  gap: 12px;
 }
 
 .feature {
-  padding: 18px 20px;
-  border-radius: 12px;
-  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
+  padding: 15px 17px;
+  border-radius: 8px;
+  background: #f8f9fd;
   border: 1px solid var(--border);
 }
 
 .feature strong {
   display: block;
-  margin-bottom: 6px;
+  margin-bottom: 5px;
 }
 
 .cta-row {
   display: flex;
   flex-wrap: wrap;
-  justify-content: center;
   gap: 12px;
-  margin-top: 32px;
+  justify-content: center;
 }
 
 .btn {
   display: inline-block;
-  padding: 12px 22px;
+  padding: 11px 22px;
   border-radius: 999px;
   font-weight: 600;
-  font-size: 0.95rem;
-  border: none;
-  cursor: pointer;
+  font-size: 0.94rem;
 }
 
 .btn-primary {
   background: var(--accent);
   color: #fff;
+  box-shadow: 0 8px 24px rgba(0, 113, 227, 0.28);
 }
 
 .btn-primary:hover {
@@ -241,7 +793,7 @@
 }
 
 .btn-secondary {
-  background: var(--surface);
+  background: var(--bg-elevated);
   color: var(--text);
   border: 1px solid var(--border);
 }
@@ -250,40 +802,28 @@
   text-decoration: none;
 }
 
-.prose h2 {
-  margin-top: 2em;
-  font-size: 1.25rem;
-}
-
-.prose ul {
-  padding-left: 1.25em;
-}
-
-.prose li {
-  margin: 0.35em 0;
-}
-
 .site-footer {
-  margin-top: 48px;
-  padding-top: 24px;
+  padding: 28px 0 48px;
   border-top: 1px solid var(--border);
   text-align: center;
   font-size: 0.88rem;
   color: var(--muted);
 }
 
-.lang-switch {
-  font-size: 0.85rem;
+.site-footer p {
+  margin: 0 0 8px;
 }
 
-.lang-switch a {
-  color: var(--muted);
-  margin-left: 10px;
+.prose h1 {
+  margin-top: 0;
 }
 
-.lang-switch a.active {
-  color: var(--text);
-  font-weight: 600;
+.prose h2 {
+  margin-top: 1.5em;
+}
+
+.prose h3 {
+  margin-top: 1.2em;
 }
 
 kbd {
@@ -292,7 +832,134 @@
   border-radius: 6px;
   font-size: 0.82em;
   font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
-  background: var(--surface);
+  background: #f0f2f8;
   border: 1px solid var(--border);
-  box-shadow: 0 1px 0 var(--border);
-}
\ No newline at end of file
+}
+
+@media (max-width: 860px) {
+  .site-header {
+    height: auto;
+  }
+
+  .site-header__bar {
+    grid-template-columns: auto auto;
+    grid-template-rows: auto auto;
+    height: auto;
+    min-height: var(--header-h);
+    gap: 8px 14px;
+    padding-top: 8px;
+    padding-bottom: 10px;
+  }
+
+  .site-nav {
+    grid-column: 1 / -1;
+    justify-content: flex-start;
+    order: 3;
+  }
+
+  .lang-switch {
+    grid-column: 2;
+    grid-row: 1;
+    justify-self: end;
+  }
+
+  .hero__split {
+    grid-template-columns: 1fr;
+    min-height: auto;
+    gap: 32px;
+  }
+
+  .hero__art {
+    justify-content: center;
+  }
+
+  .views__split {
+    grid-template-columns: 1fr;
+    gap: 36px;
+  }
+
+  .views__gallery {
+    max-width: 100%;
+    justify-self: center;
+  }
+
+  .views__copy {
+    max-width: 36em;
+  }
+
+  .views__details {
+    grid-template-columns: 1fr;
+    gap: 24px;
+  }
+
+  .views__shortcut {
+    justify-self: start;
+  }
+
+  .tags__split {
+    grid-template-columns: 1fr;
+    gap: 36px;
+  }
+
+  .tags__art {
+    justify-self: center;
+    max-width: 100%;
+  }
+
+  .memo__split {
+    grid-template-columns: 1fr;
+    gap: 36px;
+  }
+
+  .memo__art {
+    justify-self: center;
+    max-width: 100%;
+  }
+
+  .search__split {
+    grid-template-columns: 1fr;
+    gap: 36px;
+  }
+
+  .search__art {
+    justify-self: center;
+    max-width: 100%;
+  }
+
+  .backup__split {
+    grid-template-columns: 1fr;
+    gap: 36px;
+  }
+
+  .backup__art {
+    justify-self: center;
+    max-width: 100%;
+  }
+
+  .privacy__split {
+    grid-template-columns: 1fr;
+    gap: 36px;
+  }
+
+  .privacy__art {
+    justify-self: center;
+  }
+
+  .feature-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
+@media (max-width: 560px) {
+  :root {
+    --layout-pad: 18px;
+  }
+
+  .hero {
+    padding: 32px 0 48px;
+  }
+
+  .feature-grid {
+    grid-template-columns: 1fr;
+  }
+}

--
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