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 |  210 +++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 141 insertions(+), 69 deletions(-)

diff --git a/docs/styles.css b/docs/styles.css
index d76a0bc..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 {
@@ -206,17 +253,17 @@
   border: 0;
 }
 
-/* Second screen — 5 view modes */
+/* Second screen — 4 view modes */
 .views {
   padding: 56px 0 64px;
-  background: #ffffff;
+  background: var(--section-blue);
 }
 
 .views__split {
   display: grid;
   grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
   gap: 28px 48px;
-  align-items: center;
+  align-items: start;
 }
 
 .views__gallery {
@@ -229,6 +276,7 @@
 
 .views__shot {
   margin: 0;
+  aspect-ratio: 720 / 450;
   border-radius: 12px;
   overflow: hidden;
   line-height: 0;
@@ -240,14 +288,16 @@
 .views__shot img {
   display: block;
   width: 100%;
-  height: auto;
+  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: -0.04em;
+  letter-spacing: 0;
   line-height: 1.12;
   color: #000;
 }
@@ -271,6 +321,13 @@
   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 {
@@ -301,11 +358,12 @@
 }
 
 .views__shortcut {
-  margin-top: 32px;
   display: inline-flex;
   flex-direction: column;
   gap: 6px;
-  padding: 14px 20px;
+  margin-top: 0;
+  flex-shrink: 0;
+  padding: 12px 18px;
   border-radius: 14px;
   background: #f5f5f7;
   border: 1px solid var(--border);
@@ -325,7 +383,7 @@
 /* Third screen — tag management */
 .tags {
   padding: 56px 0 64px;
-  background: #ffffff;
+  background: var(--section-lilac);
 }
 
 .tags__split {
@@ -339,7 +397,7 @@
   margin: 0;
   font-size: clamp(1.85rem, 3.8vw, 2.7rem);
   font-weight: 800;
-  letter-spacing: -0.04em;
+  letter-spacing: 0;
   line-height: 1.12;
   color: #000;
 }
@@ -379,6 +437,7 @@
 
 .tags__art {
   margin: 0;
+  aspect-ratio: 880 / 552;
   line-height: 0;
   justify-self: end;
   max-width: 540px;
@@ -393,13 +452,15 @@
 .tags__art img {
   display: block;
   width: 100%;
-  height: auto;
+  height: 100%;
+  object-fit: cover;
+  object-position: center bottom;
 }
 
 /* Fourth screen — app memos */
 .memo {
   padding: 56px 0 64px;
-  background: #ffffff;
+  background: var(--section-mint);
 }
 
 .memo__split {
@@ -411,6 +472,7 @@
 
 .memo__art {
   margin: 0;
+  aspect-ratio: 880 / 552;
   line-height: 0;
   justify-self: start;
   max-width: 540px;
@@ -425,14 +487,16 @@
 .memo__art img {
   display: block;
   width: 100%;
-  height: auto;
+  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: -0.04em;
+  letter-spacing: 0;
   line-height: 1.12;
   color: #000;
 }
@@ -448,7 +512,7 @@
 /* Fifth screen — global Quick Search */
 .search {
   padding: 56px 0 64px;
-  background: #ffffff;
+  background: var(--section-lilac);
 }
 
 .search__split {
@@ -462,7 +526,7 @@
   margin: 0;
   font-size: clamp(1.85rem, 3.8vw, 2.7rem);
   font-weight: 800;
-  letter-spacing: -0.04em;
+  letter-spacing: 0;
   line-height: 1.12;
   color: #000;
 }
@@ -510,25 +574,26 @@
   margin: 0;
   line-height: 0;
   justify-self: end;
-  max-width: 460px;
+  max-width: 500px;
   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);
+  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: #ffffff;
+  background: var(--section-blue);
 }
 
 .backup__split {
@@ -561,7 +626,7 @@
   margin: 0;
   font-size: clamp(1.85rem, 3.8vw, 2.7rem);
   font-weight: 800;
-  letter-spacing: -0.04em;
+  letter-spacing: 0;
   line-height: 1.12;
   color: #000;
 }
@@ -582,7 +647,7 @@
 /* Seventh screen — offline & privacy */
 .privacy {
   padding: 56px 0 64px;
-  background: #ffffff;
+  background: var(--section-mint);
 }
 
 .privacy__split {
@@ -596,7 +661,7 @@
   margin: 0;
   font-size: clamp(2rem, 4.2vw, 3rem);
   font-weight: 800;
-  letter-spacing: -0.04em;
+  letter-spacing: 0;
   line-height: 1.08;
   color: #000;
 }
@@ -657,14 +722,6 @@
   max-width: 28em;
 }
 
-.privacy__protocol {
-  margin: 36px 0 0;
-  font-size: 0.72rem;
-  letter-spacing: 0.14em;
-  text-transform: uppercase;
-  color: #aeaeb2;
-}
-
 .privacy__art {
   margin: 0;
   line-height: 0;
@@ -683,7 +740,7 @@
   filter: drop-shadow(0 18px 36px rgba(60, 80, 140, 0.16));
 }
 
-/* Main content */
+/* Inner pages (support, privacy) */
 .page-main {
   padding: 56px 0 72px;
 }
@@ -697,55 +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);
 }
@@ -827,9 +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 {
@@ -866,6 +921,15 @@
 
   .views__copy {
     max-width: 36em;
+  }
+
+  .views__details {
+    grid-template-columns: 1fr;
+    gap: 24px;
+  }
+
+  .views__shortcut {
+    justify-self: start;
   }
 
   .tags__split {
@@ -916,6 +980,10 @@
   .privacy__art {
     justify-self: center;
   }
+
+  .feature-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
 }
 
 @media (max-width: 560px) {
@@ -926,4 +994,8 @@
   .hero {
     padding: 32px 0 48px;
   }
-}
\ No newline at end of file
+
+  .feature-grid {
+    grid-template-columns: 1fr;
+  }
+}

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