From 92d4011efb3d98ecfeb166abed96e276bf13f58b Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Thu, 25 Jun 2026 17:53:49 +0800
Subject: [PATCH] Polish usage tips close reminder pointer

---
 docs/styles.css |  692 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 653 insertions(+), 39 deletions(-)

diff --git a/docs/styles.css b/docs/styles.css
index 1c575b7..32614ee 100644
--- a/docs/styles.css
+++ b/docs/styles.css
@@ -13,6 +13,9 @@
   --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%);
 }
 
 * {
@@ -29,8 +32,12 @@
   color: var(--text);
   line-height: 1.55;
   -webkit-font-smoothing: antialiased;
-  background: var(--bg);
+  background: linear-gradient(180deg, #fbfcff 0%, #f4f7ff 38%, #f5fbf8 72%, #fbfcff 100%);
   min-height: 100vh;
+}
+
+.page-home {
+  background: #ffffff;
 }
 
 a {
@@ -58,7 +65,7 @@
   top: 0;
   z-index: 50;
   height: var(--header-h);
-  background: rgba(244, 246, 251, 0.82);
+  background: rgba(250, 252, 255, 0.86);
   border-bottom: 1px solid var(--border);
   backdrop-filter: blur(16px) saturate(1.25);
 }
@@ -141,6 +148,41 @@
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
 }
 
+.sr-only {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  padding: 0;
+  margin: -1px;
+  overflow: hidden;
+  clip: rect(0, 0, 0, 0);
+  white-space: nowrap;
+  border: 0;
+}
+
+.lang-switch--select {
+  padding: 0;
+  background: rgba(0, 0, 0, 0.045);
+}
+
+.language-select {
+  max-width: 150px;
+  min-height: 36px;
+  padding: 6px 30px 6px 12px;
+  border: 0;
+  border-radius: 999px;
+  color: var(--text);
+  background: transparent;
+  font: inherit;
+  font-size: 0.86rem;
+  font-weight: 650;
+}
+
+.language-select:focus-visible {
+  outline: 2px solid rgba(0, 113, 227, 0.42);
+  outline-offset: 2px;
+}
+
 /* Legacy floating hero icon — must not appear */
 .icon-float,
 .icon-orb {
@@ -148,7 +190,7 @@
 }
 
 .page-home .site-header {
-  background: rgba(255, 255, 255, 0.88);
+  background: #ffffff;
 }
 
 /* Hero — copy left, original design visual right (compact, no forced full-screen) */
@@ -174,9 +216,14 @@
   margin: 0;
   font-size: clamp(2rem, 4.8vw, 3.15rem);
   font-weight: 800;
-  letter-spacing: -0.04em;
+  letter-spacing: 0;
   line-height: 1.1;
   color: #000;
+  overflow-wrap: anywhere;
+}
+
+.hero__headline span {
+  display: block;
 }
 
 .hero__lead {
@@ -187,24 +234,513 @@
   max-width: 22em;
 }
 
-/* Right art: original design pixels — subtle reflection only, capped height */
+/* Right art: user-provided hero visual (black bg removed → white) */
 .hero__art {
   margin: 0;
   line-height: 0;
   display: flex;
   align-items: center;
   justify-content: flex-end;
+  background: var(--hero-bg);
 }
 
 .hero__art img {
   display: block;
-  width: auto;
+  width: 100%;
   max-width: 100%;
   height: auto;
-  max-height: clamp(300px, 42vw, 500px);
+  background: var(--hero-bg);
+  border: 0;
 }
 
-/* Main content */
+/* 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;
+}
+
+.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;
 }
@@ -218,55 +754,44 @@
   margin-bottom: 22px;
 }
 
+.card h1,
 .card h2 {
   margin: 0 0 14px;
   font-size: 1.3rem;
-  letter-spacing: -0.02em;
+  letter-spacing: 0;
 }
 
-.card-cta {
+/* 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;
 }
 
-.card-cta p {
+.features__cta p {
   margin: 0 0 16px;
   color: var(--muted);
 }
 
-.compare {
-  width: 100%;
-  border-collapse: collapse;
-  font-size: 0.95rem;
-}
-
-.compare th,
-.compare td {
-  text-align: left;
-  padding: 11px 12px;
-  border-bottom: 1px solid var(--border);
-  vertical-align: top;
-}
-
-.compare th {
-  font-size: 0.78rem;
-  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(220px, 1fr));
+  grid-template-columns: repeat(3, minmax(0, 1fr));
   gap: 12px;
 }
 
 .feature {
   padding: 15px 17px;
-  border-radius: 12px;
+  border-radius: 8px;
   background: #f8f9fd;
   border: 1px solid var(--border);
 }
@@ -348,9 +873,18 @@
 }
 
 @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 {
@@ -374,6 +908,82 @@
   .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) {
@@ -384,4 +994,8 @@
   .hero {
     padding: 32px 0 48px;
   }
-}
\ No newline at end of file
+
+  .feature-grid {
+    grid-template-columns: 1fr;
+  }
+}

--
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