:root{
--pink:#ff8fb1;
--pink-dark:#e6678f;
--pink-light:#ffe4ec;
--lav:#c9a7eb;
--mint:#a8e6cf;
--cream:#fffaf5;
--ink:#3a2e39;
--ink-soft:#6b5c68;
--line:#f1dbe4;
--shadow:0 8px 30px rgba(230,103,143,.12);
--radius:18px;
--glass:rgba(255,255,255,.6);
--glass-border:rgba(255,255,255,.7);
--grad-main:linear-gradient(135deg,var(--pink),var(--lav));
--grad-soft:linear-gradient(135deg,#ffe4ec,#f3e6ff);
}
[data-theme="dark"]{
--pink:#ff9fbf;
--pink-dark:#ff7aa2;
--pink-light:#3a2733;
--lav:#b79ae0;
--mint:#8ed8bd;
--cream:#201a22;
--ink:#f3e9ef;
--ink-soft:#c8b6c2;
--line:#3a2b36;
--shadow:0 8px 30px rgba(0,0,0,.4);
--glass:rgba(42,31,40,.6);
--glass-border:rgba(255,255,255,.08);
--grad-soft:linear-gradient(135deg,#3a2733,#2f2540);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
background:var(--cream);color:var(--ink);line-height:1.8;font-size:16px;
transition:background .3s,color .3s;
overflow-x:hidden;
-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--pink-dark);text-decoration:none;transition:color .2s}
a:hover{color:var(--pink)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{line-height:1.4;color:var(--ink);font-weight:700}
h1{font-size:2rem}
h2{font-size:1.6rem;margin-bottom:16px}
h3{font-size:1.2rem;margin-bottom:10px}
h4{font-size:1.05rem;margin-bottom:8px}
p{margin-bottom:14px;color:var(--ink-soft)}
section{padding:56px 0;border-bottom:1px solid var(--line);position:relative}
.section-head{text-align:center;margin-bottom:36px}
.section-head h2{position:relative;display:inline-block;padding-bottom:12px}
.section-head h2::after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:60px;height:4px;border-radius:2px;background:var(--grad-main)}
.section-head p{max-width:720px;margin:12px auto 0}
::selection{background:var(--pink);color:#fff}

/* 顶部信息条 */
.topbar{background:linear-gradient(90deg,var(--pink-light),#fff);font-size:13px;color:var(--ink-soft);border-bottom:1px solid var(--line)}
[data-theme="dark"] .topbar{background:linear-gradient(90deg,#2a1f28,#201a22)}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:6px}

/* 导航 */
header.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,250,245,.78);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid var(--line);transition:box-shadow .3s,background .3s}
[data-theme="dark"] header.site-header{background:rgba(32,26,34,.78)}
header.site-header.scrolled{box-shadow:var(--shadow)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--ink)}
.logo svg{width:38px;height:38px;flex:none;transition:transform .4s}
.logo:hover svg{transform:rotate(-8deg) scale(1.06)}
.logo span small{display:block;font-size:11px;font-weight:400;color:var(--ink-soft);letter-spacing:1px}
nav.main-nav ul{display:flex;list-style:none;gap:22px;flex-wrap:wrap}
nav.main-nav a{color:var(--ink);font-size:15px;font-weight:500;position:relative;padding:4px 0}
nav.main-nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--grad-main);transition:width .25s;border-radius:2px}
nav.main-nav a:hover::after{width:100%}
.nav-tools{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--pink);box-shadow:0 0 0 3px rgba(255,143,177,.18)}
[data-theme="dark"] .search-box{background:rgba(42,31,40,.7)}
.search-box input{border:none;outline:none;padding:8px 14px;font-size:14px;width:150px;background:transparent;color:var(--ink);font-family:inherit}
.search-box button{border:none;background:var(--pink);color:#fff;padding:8px 14px;cursor:pointer;font-size:14px;font-family:inherit;transition:background .2s}
.search-box button:hover{background:var(--pink-dark)}
.icon-btn{border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);transition:.25s}
[data-theme="dark"] .icon-btn{background:rgba(42,31,40,.7)}
.icon-btn:hover{border-color:var(--pink);color:var(--pink-dark);transform:translateY(-2px);box-shadow:0 6px 16px rgba(230,103,143,.2)}
.menu-toggle{display:none}

/* Banner */
.banner{position:relative;overflow:hidden;padding:0;border-bottom:none}
.slides{position:relative;min-height:420px}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;display:flex;align-items:center;padding:60px 0;pointer-events:none}
.slide.active{opacity:1;position:relative;pointer-events:auto}
.slide-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;width:100%}
.slide h1,.slide h2{font-size:2.2rem;margin-bottom:16px}
.slide p{font-size:1.05rem;max-width:520px}
.slide .tag{display:inline-block;background:var(--glass);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--glass-border);color:var(--pink-dark);padding:4px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:14px}
.slide-1{background:linear-gradient(135deg,#ffe4ec,#f3e6ff)}
.slide-2{background:linear-gradient(135deg,#e6f7f0,#e9f0ff)}
.slide-3{background:linear-gradient(135deg,#fff3e0,#ffe4ec)}
[data-theme="dark"] .slide-1{background:linear-gradient(135deg,#3a2733,#2f2540)}
[data-theme="dark"] .slide-2{background:linear-gradient(135deg,#1f332c,#232a3a)}
[data-theme="dark"] .slide-3{background:linear-gradient(135deg,#3a2f22,#3a2733)}
.slide-art svg{width:100%;max-width:380px;margin:0 auto;filter:drop-shadow(0 12px 24px rgba(230,103,143,.25));animation:floaty 6s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.banner-dots{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.banner-dots button{width:12px;height:12px;border-radius:50%;border:none;background:rgba(230,103,143,.35);cursor:pointer;transition:.3s;padding:0}
.banner-dots button.active{background:var(--pink-dark);width:28px;border-radius:6px}
.btn{display:inline-block;padding:12px 28px;border-radius:999px;font-weight:600;font-size:15px;transition:.25s;cursor:pointer;border:none;font-family:inherit}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 6px 18px rgba(230,103,143,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(230,103,143,.4);color:#fff}
.btn-ghost{background:transparent;border:2px solid var(--pink);color:var(--pink-dark)}
.btn-ghost:hover{background:var(--pink);color:#fff}

/* 数据统计 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat-num{font-size:2.4rem;font-weight:800;color:var(--pink-dark);line-height:1.1}
.stat-label{font-size:14px;color:var(--ink-soft);margin-top:6px}

/* 卡片网格 */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .3s,box-shadow .3s,border-color .3s;box-shadow:0 2px 10px rgba(230,103,143,.05)}
[data-theme="dark"] .card{background:rgba(42,31,40,.6)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--pink)}
.card svg{width:48px;height:48px;margin-bottom:14px;transition:transform .3s}
.card:hover svg{transform:scale(1.08) rotate(-4deg)}
.card h3{color:var(--ink)}
.card p{font-size:14.5px;margin-bottom:0}

/* 文章列表 */
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.article-card{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s;display:flex;flex-direction:column}
[data-theme="dark"] .article-card{background:rgba(42,31,40,.6)}
.article-card:hover{box-shadow:var(--shadow);border-color:var(--pink);transform:translateY(-3px)}
.article-meta{font-size:13px;color:var(--ink-soft);display:flex;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.article-meta span{display:inline-flex;align-items:center;gap:4px}
.article-card h3{font-size:1.1rem;margin-bottom:8px}
.article-card h3 a{color:var(--ink)}
.article-card h3 a:hover{color:var(--pink-dark)}
.article-card p{font-size:14px;flex:1;margin-bottom:12px}
.read-more{font-weight:600;font-size:14px;align-self:flex-start}
.read-more::after{content:" →";transition:.2s;display:inline-block}
.read-more:hover::after{margin-left:4px}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden;transition:border-color .3s,box-shadow .3s}
[data-theme="dark"] .faq-item{background:rgba(42,31,40,.6)}
.faq-item:hover{border-color:var(--pink)}
.faq-q{width:100%;text-align:left;border:none;background:none;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:14px;font-family:inherit;transition:color .2s}
.faq-q:hover{color:var(--pink-dark)}
.faq-q .plus{flex:none;width:24px;height:24px;border-radius:50%;background:var(--pink-light);color:var(--pink-dark);display:flex;align-items:center;justify-content:center;font-weight:700;transition:.3s}
.faq-item.open .plus{transform:rotate(45deg);background:var(--pink);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 22px}
.faq-a p{padding:0 0 18px;margin:0;font-size:14.5px}
.faq-item.open .faq-a{max-height:500px}

/* HowTo */
.howto-steps{display:grid;gap:18px;counter-reset:step;max-width:900px;margin:0 auto}
.howto-step{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:14px;padding:22px 22px 22px 70px;position:relative;transition:.3s}
[data-theme="dark"] .howto-step{background:rgba(42,31,40,.6)}
.howto-step:hover{border-color:var(--pink);transform:translateX(4px)}
.howto-step::before{counter-increment:step;content:counter(step);position:absolute;left:20px;top:22px;width:36px;height:36px;border-radius:50%;background:var(--grad-main);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;box-shadow:0 4px 12px rgba(230,103,143,.3)}
.howto-step h4{color:var(--ink)}
.howto-step p{margin-bottom:0;font-size:14.5px}

/* 案例/评价 */
.case-card{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.3s}
[data-theme="dark"] .case-card{background:rgba(42,31,40,.6)}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--pink)}
.case-tag{display:inline-block;background:var(--mint);color:#1d6b52;font-size:12px;padding:3px 10px;border-radius:999px;margin-bottom:10px;font-weight:600}
[data-theme="dark"] .case-tag{background:#2a4a3e;color:#8ed8bd}
.quote{background:var(--pink-light);border-radius:14px;padding:22px;position:relative;font-style:normal;transition:.3s}
[data-theme="dark"] .quote{background:#3a2733}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quote::before{content:"“";font-size:3rem;color:var(--pink);line-height:0;position:absolute;top:24px;left:14px;font-family:Georgia,serif}
.quote p{padding-left:26px;margin-bottom:10px}
.quote cite{display:block;text-align:right;font-size:13px;color:var(--ink-soft);font-style:normal}

/* 表格 */
.table-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--line);-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;background:var(--glass);font-size:14.5px;min-width:520px}
[data-theme="dark"] table{background:rgba(42,31,40,.6)}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--pink-light);color:var(--ink);font-weight:700}
[data-theme="dark"] th{background:#3a2733}
tr:last-child td{border-bottom:none}
tbody tr{transition:background .2s}
tbody tr:hover{background:rgba(255,143,177,.08)}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.contact-info{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
[data-theme="dark"] .contact-info{background:rgba(42,31,40,.6)}
.contact-info ul{list-style:none}
.contact-info li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.contact-info li:last-child{border-bottom:none}
.contact-info li strong{flex:none;width:80px;color:var(--ink)}

/* 作者信息 */
.author-box{display:flex;gap:18px;align-items:center;background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-top:24px;transition:.3s}
[data-theme="dark"] .author-box{background:rgba(42,31,40,.6)}
.author-box:hover{border-color:var(--pink);box-shadow:var(--shadow)}
.author-box svg{width:64px;height:64px;flex:none;border-radius:50%}
.author-box .author-name{font-weight:700;color:var(--ink)}
.author-box .author-meta{font-size:13px;color:var(--ink-soft)}

/* 面包屑 */
.breadcrumb{font-size:13.5px;color:var(--ink-soft);padding:14px 0}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumb li::after{content:"/";margin-left:6px;color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--pink-dark)}

/* 侧边锚点导航 */
.anchor-nav{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-top:20px}
[data-theme="dark"] .anchor-nav{background:rgba(42,31,40,.6)}
.anchor-nav h3{font-size:15px;margin-bottom:10px}
.anchor-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 16px}
.anchor-nav a{font-size:13.5px;color:var(--ink-soft);transition:.2s}
.anchor-nav a:hover{color:var(--pink-dark);padding-left:2px}

/* 页脚 */
footer.site-footer{background:linear-gradient(180deg,#2a1f28,#201a22);color:#d8c8d2;padding:56px 0 24px;font-size:14px}
footer.site-footer h4{color:#fff;margin-bottom:14px;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
footer.site-footer a{color:#d8c8d2}
footer.site-footer a:hover{color:var(--pink)}
footer.site-footer p{color:#b5a3b0;font-size:13.5px}
footer.site-footer ul{list-style:none}
footer.site-footer ul li{margin-bottom:8px}
.footer-bottom{border-top:1px solid #3a2b36;padding-top:20px;text-align:center;font-size:13px;color:#a08e9b}
.footer-bottom p{margin-bottom:6px;color:#a08e9b}

/* 返回顶部 */
#backTop{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;background:var(--grad-main);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(20px);transition:.3s;z-index:999}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(230,103,143,.4)}

/* 滚动动画 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* 响应式 */
@media(max-width:960px){
.slide-inner{grid-template-columns:1fr;text-align:center}
.slide-art{order:-1}
.slide-art svg{max-width:260px}
.slide p{margin-left:auto;margin-right:auto}
.grid-3{grid-template-columns:repeat(2,1fr)}
.article-grid{grid-template-columns:1fr}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.stats{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
nav.main-nav{position:fixed;top:0;right:-100%;width:78%;max-width:320px;height:100vh;background:var(--cream);flex-direction:column;padding:80px 24px 24px;box-shadow:-8px 0 30px rgba(0,0,0,.15);transition:right .3s;z-index:1200;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
[data-theme="dark"] nav.main-nav{background:#201a22}
nav.main-nav.open{right:0}
nav.main-nav ul{flex-direction:column;gap:0}
nav.main-nav li{border-bottom:1px solid var(--line)}
nav.main-nav a{display:block;padding:14px 0;font-size:16px}
.menu-toggle{display:flex}
.search-box input{width:90px}
.grid-3,.grid-2{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
h1{font-size:1.6rem}
.slide h1,.slide h2{font-size:1.6rem}
.section-head h2{font-size:1.35rem}
section{padding:40px 0}
.stat-num{font-size:2rem}
.author-box{flex-direction:column;text-align:center}
.contact-info li{flex-direction:column;gap:2px}
.contact-info li strong{width:auto}
}
@media(prefers-reduced-motion:reduce){
*,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}