Files
blackbird/static/public/css/index.css
T
qing c45e2e13f4 refactor(static): 首页统一 1024px 版心,特性网格改为 2×2 等宽布局
- 新增 .wrap 统一版心,头部胶囊、特性、关于、CTA、页脚全部对齐同一内容栏
- 特性卡片由 Bento 跨列网格改为 2×2 等宽,取消旋转装饰
- 关于面板改为居中排版,数据行移至底部横排
- 章节间距统一由 .section 控制,移动端断点适配同步收敛
2026-08-07 06:04:15 +00:00

782 lines
21 KiB
CSS

/* index.css — 社区首页专属样式(通用主题见 theme.css)
*
* 布局原则:
* 1. 全站统一版心 .wrap(最大 1024px,左右槽线 1.25rem),
* 头部胶囊、特性网格、关于面板、CTA 横幅、页脚分隔线全部对齐同一内容栏;
* 2. 章节间距统一由 .section 控制,标题组(eyebrow/title/sub)样式全站一致;
* 3. 特性卡片 2×2 等宽网格,无跨列、无旋转装饰,视觉横平竖直。
*/
body {
align-items: stretch;
padding: 0;
}
/* 选中文字着色,与品牌色一致 */
::selection {
background: var(--accent-glow);
color: var(--fg);
}
@media (prefers-reduced-motion: no-preference) {
html { scroll-behavior: smooth; }
}
/* ===== 统一版心 ===== */
.wrap {
width: 100%;
max-width: 1024px;
margin: 0 auto;
padding: 0 1.25rem;
}
#main-page { width: 100%; }
/* ===== 按钮 ===== */
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 0.55rem 1.3rem;
font-size: 0.88rem;
font-weight: 600;
font-family: inherit;
border: 1px solid transparent;
border-radius: var(--radius-sm);
cursor: pointer;
text-decoration: none;
line-height: 1.4;
transition: opacity 0.15s, transform 0.18s, background 0.18s, border-color 0.18s, box-shadow 0.22s;
}
.btn:active { transform: scale(0.96); }
/* 主按钮:品牌渐变 + hover 上浮与扫光 */
.btn-primary {
position: relative;
overflow: hidden;
background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
color: #fff;
box-shadow: 0 2px 10px rgba(232, 133, 58, 0.32);
}
.btn-primary::after {
content: "";
position: absolute;
top: 0;
left: -80%;
width: 50%;
height: 100%;
background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
transform: skewX(-20deg);
transition: left 0.5s ease;
pointer-events: none;
}
.btn-primary:hover {
transform: translateY(-1px);
box-shadow: 0 6px 18px rgba(232, 133, 58, 0.4);
}
.btn-primary:hover::after { left: 130%; }
.btn-primary:active { transform: scale(0.96); }
.btn-ghost {
background: var(--accent-soft);
color: var(--accent-dark);
border-color: var(--accent-glow);
}
.btn-ghost:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; border-radius: 999px; letter-spacing: 0.02em; }
/* ===== 头部:悬浮毛玻璃胶囊,与版心同宽 ===== */
.header {
position: sticky;
top: 0.75rem;
z-index: 100;
margin-top: 0.75rem;
}
.header-inner {
display: flex;
justify-content: space-between;
align-items: center;
flex-wrap: wrap;
gap: 0.5rem;
padding: 0.55rem 1.1rem;
border-radius: var(--radius-lg);
background: rgba(253, 246, 238, 0.72);
border: 1px solid var(--border-light);
backdrop-filter: blur(16px) saturate(1.4);
-webkit-backdrop-filter: blur(16px) saturate(1.4);
box-shadow: var(--shadow-md);
transition: background 0.2s, border-color 0.2s;
}
@media (prefers-color-scheme: dark) {
.header-inner {
background: rgba(30, 23, 18, 0.72);
border-color: var(--border);
}
}
.header h1 {
display: flex;
align-items: center;
gap: 0.45rem;
font-size: 1.15rem;
font-weight: 700;
letter-spacing: 0.01em;
cursor: pointer;
user-select: none;
transition: color 0.15s;
}
.header h1 svg { color: var(--accent); flex: none; }
.header h1:hover { color: var(--accent); }
.right-group {
display: flex;
align-items: center;
flex-wrap: wrap;
gap: 0.4rem;
}
#avatar {
width: 36px;
height: 36px;
border-radius: 50%;
border: 1.5px solid var(--border);
object-fit: cover;
}
#name {
font-size: 0.88rem;
max-width: 120px;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/* ===== Hero 首屏 ===== */
.hero {
position: relative;
text-align: center;
padding: 4.5rem 0 5.5rem;
overflow: hidden;
}
/* 点阵底纹:中心清晰、四周渐隐 */
.hero::before {
content: "";
position: absolute;
inset: 0;
background-image: radial-gradient(var(--border) 1.2px, transparent 1.2px);
background-size: 26px 26px;
-webkit-mask-image: radial-gradient(ellipse 70% 62% at 50% 42%, #000 25%, transparent 72%);
mask-image: radial-gradient(ellipse 70% 62% at 50% 42%, #000 25%, transparent 72%);
pointer-events: none;
}
/* 暖色环境光晕 */
.hero::after {
content: "";
position: absolute;
left: 50%;
top: 46%;
width: 680px;
height: 680px;
transform: translate(-50%, -50%);
background:
radial-gradient(circle, var(--accent-glow), transparent 60%),
radial-gradient(ellipse 55% 40% at 50% 62%, var(--accent-soft), transparent 70%);
opacity: 0.55;
pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
/* 品牌装饰:节点树(低透明度衬底,不干扰阅读) */
.hero-tree {
position: absolute;
left: 50%;
bottom: 0;
transform: translateX(-50%);
width: min(600px, 96%);
height: auto;
color: var(--accent);
opacity: 0.16;
pointer-events: none;
}
@media (prefers-color-scheme: dark) {
.hero-tree { opacity: 0.2; }
}
/* eyebrow 徽章:呼吸圆点 + 胶囊 */
.hero-badge {
display: inline-flex;
align-items: center;
gap: 0.45rem;
padding: 0.35rem 0.95rem;
margin-bottom: 1.4rem;
font-size: 0.8rem;
font-weight: 600;
letter-spacing: 0.06em;
color: var(--accent-dark);
background: var(--accent-soft);
border: 1px solid var(--accent-glow);
border-radius: 999px;
backdrop-filter: blur(4px);
-webkit-backdrop-filter: blur(4px);
}
.badge-dot {
width: 6px;
height: 6px;
border-radius: 50%;
background: var(--accent);
flex: none;
}
.hero-title {
font-size: clamp(2.1rem, 6.5vw, 3.2rem);
font-weight: 800;
line-height: 1.28;
letter-spacing: 0.02em;
text-wrap: balance;
margin-bottom: 1.1rem;
}
/* 渐变标题字:缓慢流光 */
.accent-text {
background: linear-gradient(120deg, var(--accent) 15%, var(--accent-dark) 45%, var(--accent) 85%);
background-size: 220% auto;
-webkit-background-clip: text;
background-clip: text;
color: transparent;
}
.hero-sub {
font-size: 1.05rem;
letter-spacing: 0.02em;
color: var(--fg-secondary);
max-width: 32rem;
margin: 0 auto;
line-height: 1.8;
}
.hero-actions {
display: flex;
justify-content: center;
flex-wrap: wrap;
gap: 0.85rem;
margin-top: 2.2rem;
}
/* 下滑提示:浮动小箭头(窄屏隐藏) */
.scroll-hint {
position: absolute;
left: 50%;
bottom: 1.3rem;
transform: translateX(-50%);
z-index: 1;
display: flex;
color: var(--muted);
transition: color 0.2s;
}
.scroll-hint:hover { color: var(--accent); }
.scroll-hint svg { width: 22px; height: 22px; }
/* ===== 章节节奏与标题组:全站统一 ===== */
.section { padding-top: 4.5rem; }
#features { scroll-margin-top: 5.5rem; } /* 锚点跳转时避开悬浮头部 */
.section-eyebrow {
text-align: center;
font-size: 0.78rem;
font-weight: 700;
letter-spacing: 0.28em;
text-indent: 0.28em; /* 视觉居中补偿字距 */
color: var(--accent);
}
.section-title {
text-align: center;
margin-top: 0.7rem;
margin-bottom: 0;
font-size: 1.55rem;
font-weight: 700;
letter-spacing: 0.02em;
}
.section-title::after {
content: "";
display: block;
width: 46px;
height: 3px;
margin: 0.65rem auto 0;
border-radius: 2px;
background: linear-gradient(90deg, var(--accent), var(--accent-dark));
opacity: 0.9;
}
.section-sub {
text-align: center;
margin-top: 0.9rem;
font-size: 0.95rem;
letter-spacing: 0.03em;
color: var(--fg-secondary);
}
/* ===== 特性卡片:2×2 等宽网格 + 序号水印 + 光标光斑 + 图标点亮 ===== */
.features {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 1.1rem;
margin-top: 2.25rem;
counter-reset: feat;
}
.feature-card {
counter-increment: feat;
position: relative;
display: flex;
flex-direction: column;
background: var(--card);
/* 光标光斑:JS 写入 --mx/--my,缺省停在顶部中央 */
background-image: radial-gradient(260px circle at var(--mx, 50%) var(--my, 0%), var(--accent-soft), transparent 75%);
border: 1px solid var(--border-light);
border-radius: var(--radius-lg);
padding: 1.7rem 1.5rem;
box-shadow: var(--shadow-sm);
overflow: hidden;
transition: transform 0.22s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.feature-card::before {
content: "";
position: absolute;
top: 0;
left: 0;
right: 0;
height: 3px;
background: linear-gradient(90deg, var(--accent), var(--accent-dark));
opacity: 0;
transition: opacity 0.25s;
}
/* 序号水印(编辑感装饰) */
.feature-card::after {
content: "0" counter(feat);
position: absolute;
top: 1rem;
right: 1.2rem;
font-size: 1.55rem;
font-weight: 800;
line-height: 1;
letter-spacing: 0.02em;
color: var(--border);
transition: color 0.25s;
pointer-events: none;
}
.feature-card:hover {
transform: translateY(-5px);
border-color: var(--accent);
box-shadow: var(--shadow-md);
}
.feature-card:hover::before { opacity: 0.9; }
.feature-card:hover::after { color: var(--accent-glow); }
.feature-icon {
display: flex;
align-items: center;
justify-content: center;
width: 46px;
height: 46px;
margin-bottom: 0.95rem;
border-radius: 13px;
background: linear-gradient(135deg, var(--accent-soft), rgba(232, 133, 58, 0.16));
color: var(--accent-dark);
transition: transform 0.25s, background 0.25s, color 0.25s, box-shadow 0.25s;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-card:hover .feature-icon {
background: linear-gradient(135deg, var(--accent), var(--accent-dark));
color: #fff;
transform: translateY(-2px) scale(1.06);
box-shadow: 0 6px 14px rgba(232, 133, 58, 0.35);
}
.feature-card h3 { margin-bottom: 0.4rem; font-size: 1.05rem; letter-spacing: 0.01em; }
.feature-card p {
flex: 1; /* 撑开文本区,让底部标签在同行卡片间对齐 */
font-size: 0.88rem;
line-height: 1.75;
color: var(--fg-secondary);
}
/* 底部标签胶囊 */
.feature-tag {
align-self: flex-start;
margin-top: 1.1rem;
padding: 0.22rem 0.7rem;
font-size: 0.72rem;
font-weight: 600;
letter-spacing: 0.08em;
color: var(--accent-dark);
background: var(--accent-soft);
border: 1px solid var(--accent-glow);
border-radius: 999px;
transition: color 0.25s, border-color 0.25s;
}
.feature-card:hover .feature-tag {
color: var(--accent);
border-color: var(--accent);
}
/* ===== 关于本站:居中面板 + 顶部渐变条 + 底部数据行 ===== */
.about-panel {
position: relative;
text-align: center;
background: var(--card);
border: 1px solid var(--border-light);
border-radius: var(--radius-lg);
box-shadow: var(--shadow-sm);
padding: 2.2rem 2.4rem 2rem;
margin-top: 2.25rem;
overflow: hidden;
transition: border-color 0.25s, box-shadow 0.25s;
}
.about-panel:hover {
border-color: var(--border);
box-shadow: var(--shadow-md);
}
/* 顶部品牌渐变条 */
.about-panel::before {
content: "";
position: absolute;
top: 0;
left: 0;
right: 0;
height: 3px;
background: linear-gradient(90deg, var(--accent), var(--accent-dark));
opacity: 0.85;
}
.site-intro {
max-width: 40rem;
margin: 0 auto;
font-size: 0.96rem;
line-height: 1.95;
color: var(--fg-secondary);
}
/* 数据行:三项等分,顶部细线分隔 */
.about-stats {
list-style: none;
display: flex;
justify-content: space-around;
gap: 1rem;
margin-top: 1.8rem;
padding-top: 1.5rem;
border-top: 1px solid var(--border-light);
}
.about-stats li {
display: flex;
flex-direction: column;
align-items: center;
gap: 0.2rem;
min-width: 0;
}
.about-stats b {
font-size: 1.45rem;
font-weight: 800;
line-height: 1.1;
letter-spacing: 0.02em;
background: linear-gradient(120deg, var(--accent), var(--accent-dark));
-webkit-background-clip: text;
background-clip: text;
color: transparent;
}
.about-stats span {
font-size: 0.78rem;
letter-spacing: 0.02em;
color: var(--muted);
}
/* 快捷链接:胶囊按钮 */
.quick-links {
display: flex;
justify-content: center;
flex-wrap: wrap;
gap: 0.9rem;
margin-top: 1.9rem;
}
.quick-links a {
display: inline-flex;
align-items: center;
gap: 0.35rem;
padding: 0.5rem 1.15rem;
font-size: 0.86rem;
font-weight: 600;
color: var(--fg-secondary);
background: var(--card);
border: 1px solid var(--border);
border-radius: 999px;
text-decoration: none;
box-shadow: var(--shadow-sm);
transition: color 0.18s, border-color 0.18s, transform 0.18s, box-shadow 0.2s;
}
.quick-links a::after {
content: "→";
font-size: 0.85em;
transition: transform 0.18s;
}
.quick-links a:hover {
color: var(--accent);
border-color: var(--accent);
transform: translateY(-2px);
box-shadow: var(--shadow-md);
}
.quick-links a:hover::after { transform: translateX(3px); }
/* ===== 结尾行动号召:品牌渐变横幅 ===== */
.cta-band {
position: relative;
overflow: hidden;
text-align: center;
padding: 3.4rem 1.5rem 3.6rem;
border-radius: var(--radius-lg);
background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
color: #fff;
box-shadow: 0 14px 34px rgba(232, 133, 58, 0.28);
}
/* 底部点阵纹理 + 顶部高光线,提升质感 */
.cta-band::before {
content: "";
position: absolute;
inset: 0;
background-image: radial-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1px);
background-size: 22px 22px;
-webkit-mask-image: radial-gradient(ellipse 75% 80% at 50% 110%, #000 20%, transparent 72%);
mask-image: radial-gradient(ellipse 75% 80% at 50% 110%, #000 20%, transparent 72%);
pointer-events: none;
}
.cta-band::after {
content: "";
position: absolute;
left: 0;
right: 0;
top: 0;
height: 1px;
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.55), transparent);
}
/* 品牌节点树水印(端正不倾斜) */
.cta-tree {
position: absolute;
right: -20px;
bottom: -24px;
width: min(360px, 58%);
height: auto;
color: #fff;
opacity: 0.14;
pointer-events: none;
}
.cta-title {
position: relative;
font-size: clamp(1.45rem, 3.6vw, 1.9rem);
font-weight: 800;
letter-spacing: 0.03em;
margin-bottom: 0;
}
.cta-sub {
position: relative;
margin-top: 0.65rem;
font-size: 0.95rem;
letter-spacing: 0.04em;
opacity: 0.92;
}
.btn-cta {
position: relative;
margin-top: 1.7rem;
background: #fff;
color: var(--accent-dark);
box-shadow: 0 6px 16px rgba(0, 0, 0, 0.14);
}
.btn-cta:hover {
transform: translateY(-2px);
box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}
/* 深色模式:渐变底色变浅,文字与按钮反转为深棕 */
@media (prefers-color-scheme: dark) {
.cta-band {
color: #38220f;
box-shadow: 0 14px 34px rgba(0, 0, 0, 0.45);
}
.cta-band::before {
background-image: radial-gradient(rgba(56, 34, 15, 0.16) 1px, transparent 1px);
}
.cta-band::after {
background: linear-gradient(90deg, transparent, rgba(56, 34, 15, 0.35), transparent);
}
.cta-tree { color: #38220f; opacity: 0.16; }
.btn-cta { background: #38220f; color: #f7ead9; }
}
/* ===== 页脚:品牌 + 导航 + 备案(分隔线与版心同宽) ===== */
.footer {
width: 100%;
margin-top: auto;
padding-top: 4.5rem;
padding-bottom: 1.6rem;
}
.footer-inner {
display: flex;
flex-direction: column;
align-items: center;
gap: 0.85rem;
padding-top: 1.8rem;
border-top: 1px solid var(--border-light);
text-align: center;
font-size: 0.75rem;
color: var(--muted);
}
.footer-brand {
display: flex;
align-items: center;
gap: 0.45rem;
font-size: 0.95rem;
font-weight: 700;
letter-spacing: 0.02em;
color: var(--fg);
}
.footer-brand svg { color: var(--accent); }
.footer-nav {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 0.35rem 1.5rem;
}
.footer-nav a {
font-size: 0.84rem;
color: var(--fg-secondary);
text-decoration: none;
transition: color 0.15s;
}
.footer-nav a:hover { color: var(--accent); }
.footer-icp { margin-top: 0.15rem; }
.footer-icp a {
color: var(--muted);
text-decoration: none;
transition: color 0.15s;
}
.footer-icp a:hover { color: var(--accent); }
/* ===== 入场动画(首屏元素,页面加载即播) ===== */
@keyframes fade-up {
from { opacity: 0; transform: translateY(14px); }
to { opacity: 1; transform: none; }
}
/* 品牌树:枝干描绘 + 节点弹出 + 整体轻摆 */
@keyframes tree-draw { to { stroke-dashoffset: 0; } }
@keyframes node-in {
from { opacity: 0; transform: scale(0); }
to { opacity: 1; transform: scale(1); }
}
@keyframes tree-sway {
0%, 100% { transform: translateX(-50%) rotate(0deg); }
50% { transform: translateX(-50%) rotate(0.7deg); }
}
@keyframes text-shine { to { background-position: 220% center; } }
@keyframes badge-pulse {
0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
50% { box-shadow: 0 0 0 5px transparent; }
}
@keyframes hint-bounce {
0%, 100% { transform: translateY(0); }
50% { transform: translateY(5px); }
}
@media (prefers-reduced-motion: no-preference) {
.hero-inner > * { animation: fade-up 0.55s ease both; }
.hero-title { animation-delay: 0.06s; }
.hero-sub { animation-delay: 0.14s; }
.hero-actions { animation-delay: 0.22s; }
.accent-text { animation: text-shine 7s linear infinite; }
.badge-dot { animation: badge-pulse 2.4s ease-in-out infinite; }
.scroll-hint svg { animation: hint-bounce 2s ease-in-out infinite; }
.hero-tree { animation: tree-sway 10s ease-in-out 2.8s infinite; }
.hero-tree path {
stroke-dasharray: 100;
stroke-dashoffset: 100;
animation: tree-draw 0.9s ease-out forwards;
}
.hero-tree path:nth-of-type(1) { animation-delay: 0.15s; }
.hero-tree path:nth-of-type(2),
.hero-tree path:nth-of-type(3) { animation-delay: 0.75s; }
.hero-tree path:nth-of-type(n+4) { animation-delay: 1.35s; }
.hero-tree circle {
opacity: 0;
transform-box: fill-box;
transform-origin: center;
animation: node-in 0.45s ease-out forwards;
}
.hero-tree circle:nth-of-type(1) { animation-delay: 0.2s; }
.hero-tree circle:nth-of-type(2) { animation-delay: 0.85s; }
.hero-tree circle:nth-of-type(3),
.hero-tree circle:nth-of-type(4) { animation-delay: 1.45s; }
.hero-tree circle:nth-of-type(n+5) { animation-delay: 2s; }
}
/* ===== 滚动渐显(JS 加 .reveal 隐藏、入场加 .reveal-in;无 JS 时天然可见) ===== */
.reveal {
opacity: 0;
transform: translateY(18px);
transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.reveal-in { opacity: 1; transform: none; }
/* ===== 响应式 ===== */
/* 触屏设备:加大可点目标 */
@media (hover: none) and (pointer: coarse) {
.btn { min-height: 44px; }
.quick-links a { padding: 0.6rem 1.1rem; }
}
/* 平板及以下:收敛首屏光晕与留白 */
@media (max-width: 768px) {
.hero { padding: 3.5rem 0 4rem; }
.hero::after { width: 440px; height: 440px; opacity: 0.45; }
.hero-tree { width: 130%; opacity: 0.12; }
.section { padding-top: 3.5rem; }
.footer { padding-top: 3.5rem; }
}
/* 手机:特性卡片转单列,整体排版收紧 */
@media (max-width: 640px) {
.features { grid-template-columns: 1fr; }
.feature-card:hover { transform: none; } /* 触屏取消悬浮位移 */
}
@media (max-width: 480px) {
.wrap { padding: 0 0.85rem; }
.header { top: 0.5rem; margin-top: 0.5rem; }
.header-inner { padding: 0.45rem 0.85rem; gap: 0.4rem; }
.header h1 { font-size: 1rem; }
.header h1 svg { display: none; } /* 小屏隐藏 logo 图标,避免挤压 */
.right-group { gap: 0.35rem; }
.right-group .btn { padding: 0.5rem 0.95rem; font-size: 0.82rem; }
#name { max-width: 72px; }
.hero { padding: 2.75rem 0 2.75rem; }
.hero::after { width: 310px; height: 310px; opacity: 0.35; }
.hero-tree { width: 160%; opacity: 0.1; }
.hero-badge { font-size: 0.74rem; padding: 0.3rem 0.8rem; margin-bottom: 1.1rem; }
.hero-title { margin-bottom: 0.8rem; }
.hero-sub { font-size: 0.95rem; }
.hero-actions {
flex-direction: column;
align-items: stretch;
gap: 0.65rem;
}
.hero-actions .btn-lg { width: 100%; padding: 0.85rem 1.5rem; }
.scroll-hint { display: none; }
.section { padding-top: 2.75rem; }
.section-title { font-size: 1.3rem; }
.features { margin-top: 1.5rem; gap: 0.9rem; }
.feature-card { padding: 1.4rem 1.25rem; }
.about-panel { padding: 1.6rem 1.3rem 1.5rem; margin-top: 1.5rem; }
.about-stats { margin-top: 1.4rem; padding-top: 1.2rem; gap: 0.6rem; }
.quick-links { gap: 0.6rem 0.8rem; margin-top: 1.5rem; }
.cta-band { padding: 2.6rem 1.2rem 2.8rem; }
.cta-tree { width: 78%; opacity: 0.1; }
.footer { padding-top: 2.75rem; }
}
/* 超小屏 */
@media (max-width: 360px) {
.header h1 { font-size: 0.95rem; }
.right-group .btn { padding: 0.45rem 0.8rem; font-size: 0.8rem; }
.hero { padding: 2.25rem 0 2.25rem; }
}