:root{
  --brand-pink:#ff6f9c;
  --brand-pink-soft:#ffe3ec;
  --brand-pink-deep:#e8507f;
  --brand-purple:#8a6cff;
  --brand-purple-soft:#ece7ff;
  --brand-yellow:#ffc94d;
  --brand-yellow-soft:#fff3d6;
  --text-main:#2b2b33;
  --text-sub:#5c5c68;
  --bg-page:#fffafc;
  --bg-card:#ffffff;
  --bg-glass:rgba(255,255,255,.72);
  --border-soft:#f0e4ea;
  --shadow-soft:0 6px 24px rgba(255,111,156,.10);
  --shadow-hover:0 14px 38px rgba(255,111,156,.20);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --max-width:1180px;
  --grad-brand:linear-gradient(120deg,#ff6f9c 0%,#ff8fb2 40%,#8a6cff 100%);
  --grad-pink:linear-gradient(120deg,#ffe3ec,#ece7ff);
  --grad-purple:linear-gradient(120deg,#ece7ff,#fff3d6);
  --grad-yellow:linear-gradient(120deg,#fff3d6,#ffe3ec);
}

[data-theme="dark"]{
  --brand-pink:#ff8fb2;
  --brand-pink-soft:#3a2430;
  --brand-pink-deep:#ff6f9c;
  --brand-purple:#a894ff;
  --brand-purple-soft:#2a2440;
  --brand-yellow:#ffd166;
  --brand-yellow-soft:#3a3420;
  --text-main:#f2eef3;
  --text-sub:#c3bcc8;
  --bg-page:#1a1418;
  --bg-card:#241c22;
  --bg-glass:rgba(36,28,34,.72);
  --border-soft:#3a2c34;
  --shadow-soft:0 6px 24px rgba(0,0,0,.35);
  --shadow-hover:0 14px 38px rgba(0,0,0,.5);
  --grad-pink:linear-gradient(120deg,#3a2430,#2a2440);
  --grad-purple:linear-gradient(120deg,#2a2440,#3a3420);
  --grad-yellow:linear-gradient(120deg,#3a3420,#3a2430);
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg-page);
  color:var(--text-main);
  line-height:1.85;
  font-size:16px;
  overflow-x:hidden;
  transition:background .3s ease,color .3s ease;
}

img,svg{max-width:100%;display:block;}

a{color:var(--brand-pink);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-purple);}

ul,ol{list-style:none;}

button{font-family:inherit;}

.container{max-width:var(--max-width);margin:0 auto;padding:0 20px;}

.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--brand-pink);color:#fff;
  padding:10px 16px;z-index:9999;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0;}

/* ===== 顶部工具条 ===== */
.top-bar{
  background:var(--grad-brand);
  color:#fff;font-size:13px;padding:6px 0;
}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;}
.top-bar a{color:#fff;opacity:.92;}
.top-bar a:hover{opacity:1;color:#fff;text-decoration:underline;}
.top-bar-info{display:flex;gap:18px;flex-wrap:wrap;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--bg-glass);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--border-soft);
  transition:box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled{box-shadow:0 4px 20px rgba(255,111,156,.16);}

.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}

.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--text-main);}
.brand svg{width:38px;height:38px;flex-shrink:0;transition:transform .4s ease;}
.brand:hover svg{transform:rotate(-8deg) scale(1.08);}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--text-sub);letter-spacing:.5px;}

.nav-menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap;}
.nav-menu a{
  color:var(--text-main);font-size:15px;padding:8px 12px;border-radius:var(--radius-sm);
  position:relative;transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--grad-brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .25s ease;
}
.nav-menu a:hover{background:var(--brand-pink-soft);color:var(--brand-pink);transform:translateY(-1px);}
.nav-menu a:hover::after{transform:scaleX(1);}

.nav-actions{display:flex;align-items:center;gap:10px;}

.search-box{position:relative;display:flex;align-items:center;}
.search-box input{
  width:170px;padding:8px 34px 8px 14px;border:1px solid var(--border-soft);
  border-radius:999px;background:var(--bg-card);color:var(--text-main);
  font-size:14px;outline:none;font-family:inherit;
  transition:border-color .2s ease,width .3s ease,box-shadow .2s ease;
}
.search-box input:focus{border-color:var(--brand-pink);width:210px;box-shadow:0 0 0 3px var(--brand-pink-soft);}
.search-box button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  background:none;border:none;cursor:pointer;color:var(--brand-pink);padding:4px;
  display:flex;align-items:center;transition:transform .2s ease;
}
.search-box button:hover{transform:translateY(-50%) scale(1.15);}

.theme-toggle,.menu-toggle{
  background:var(--bg-card);border:1px solid var(--border-soft);border-radius:999px;
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--text-main);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.theme-toggle:hover,.menu-toggle:hover{
  background:var(--brand-pink-soft);transform:scale(1.08) rotate(6deg);
  box-shadow:var(--shadow-soft);
}
.menu-toggle{display:none;}

/* ===== 面包屑 ===== */
.breadcrumb{padding:14px 0 0;font-size:13px;color:var(--text-sub);}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb li::after{content:"›";margin-left:6px;color:var(--text-sub);}
.breadcrumb li:last-child::after{display:none;}

/* ===== Banner轮播 ===== */
.hero{
  margin:18px 0 30px;border-radius:var(--radius-lg);overflow:hidden;
  position:relative;box-shadow:var(--shadow-soft);
  border:1px solid var(--border-soft);
}
.hero-slides{position:relative;min-height:340px;}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .8s ease,visibility .8s ease;
  display:flex;align-items:center;padding:40px;gap:30px;
}
.hero-slide.active{opacity:1;visibility:visible;position:relative;}

.hero-slide:nth-child(1){background:var(--grad-pink);}
.hero-slide:nth-child(2){background:var(--grad-purple);}
.hero-slide:nth-child(3){background:var(--grad-yellow);}

.hero-slide::before{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.55),transparent 70%);
  top:-90px;right:-60px;pointer-events:none;
}

.hero-text{flex:1;min-width:0;position:relative;z-index:2;}
.hero-text h1,.hero-text h2{font-size:30px;line-height:1.4;margin-bottom:14px;color:var(--text-main);}
.hero-text p{color:var(--text-sub);font-size:16px;margin-bottom:18px;max-width:560px;}

.hero-tag{
  display:inline-block;background:var(--grad-brand);color:#fff;font-size:12px;
  padding:3px 12px;border-radius:999px;margin-bottom:14px;letter-spacing:1px;
  box-shadow:0 4px 12px rgba(255,111,156,.35);
}

.hero-art{flex-shrink:0;width:220px;position:relative;z-index:2;animation:floatY 5s ease-in-out infinite;}
.hero-art svg{filter:drop-shadow(0 10px 24px rgba(255,111,156,.25));}

@keyframes floatY{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-12px);}
}

.hero-dots{
  position:absolute;bottom:18px;left:50%;transform:translateX(-50%);
  display:flex;gap:8px;z-index:5;
}
.hero-dots button{
  width:10px;height:10px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(255,111,156,.35);transition:background .3s ease,width .3s ease,transform .3s ease;
}
.hero-dots button:hover{transform:scale(1.3);}
.hero-dots button.active{background:var(--brand-pink);width:26px;border-radius:999px;}

/* ===== 首屏核心解答 ===== */
.quick-answer{
  background:var(--bg-card);
  border-left:4px solid var(--brand-pink);
  border-radius:var(--radius-md);
  padding:22px 26px;margin-bottom:34px;
  box-shadow:var(--shadow-soft);
  position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.quick-answer::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;
  border-radius:50%;background:var(--brand-pink-soft);opacity:.6;pointer-events:none;
}
.quick-answer:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.quick-answer h2{font-size:19px;margin-bottom:10px;position:relative;z-index:1;}
.quick-answer p{color:var(--text-sub);font-size:15px;position:relative;z-index:1;margin-bottom:0;}

/* ===== 区块通用 ===== */
.section{padding:38px 0;border-bottom:1px dashed var(--border-soft);}
.section:last-of-type{border-bottom:none;}

.section-head{margin-bottom:26px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;color:var(--brand-purple);
  background:var(--brand-purple-soft);padding:2px 12px;border-radius:999px;
  letter-spacing:1px;margin-bottom:10px;
}
.section-head h2{font-size:26px;line-height:1.4;color:var(--text-main);}
.section-head h2 span{
  color:var(--brand-pink);position:relative;display:inline-block;
}
.section-head h2 span::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:6px;
  background:var(--brand-pink-soft);border-radius:6px;z-index:-1;
}
.section-head p{color:var(--text-sub);font-size:15px;margin-top:8px;max-width:820px;}

h3{font-size:20px;margin:26px 0 12px;color:var(--text-main);position:relative;padding-left:14px;}
h3::before{
  content:"";position:absolute;left:0;top:.45em;width:5px;height:1em;
  border-radius:4px;background:var(--grad-brand);
}
h4{font-size:17px;margin:18px 0 8px;color:var(--text-main);}

p{margin-bottom:14px;color:var(--text-sub);font-size:15.5px;}
.section p strong{color:var(--text-main);}

/* ===== 卡片网格 ===== */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--bg-card);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-md);
  padding:22px;
  position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.22,.61,.36,1),box-shadow .3s ease,border-color .3s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand-pink-soft);
}
.card:hover::before{transform:scaleX(1);}
.card h3,.card h4{margin-top:0;}
.card h3{padding-left:0;}
.card h3::before{display:none;}
.card p{font-size:14.5px;margin-bottom:0;}

.card-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;background:var(--brand-pink-soft);
  transition:transform .3s ease,background .3s ease;
}
.card:hover .card-icon{transform:scale(1.1) rotate(-6deg);background:var(--brand-purple-soft);}
.card-icon svg{width:24px;height:24px;}

/* ===== 数字统计 ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:10px;}
.stat{
  text-align:center;background:var(--bg-card);border:1px solid var(--border-soft);
  border-radius:var(--radius-md);padding:24px 12px;
  position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.stat::after{
  content:"";position:absolute;bottom:-30px;right:-30px;width:80px;height:80px;
  border-radius:50%;background:var(--brand-pink-soft);opacity:.5;
}
.stat .num{font-size:32px;font-weight:700;color:var(--brand-pink);line-height:1.2;position:relative;z-index:1;}
.stat .num small{font-size:16px;color:var(--brand-purple);}
.stat .label{font-size:13.5px;color:var(--text-sub);margin-top:6px;position:relative;z-index:1;}

/* ===== 列表样式 ===== */
.list-check li{
  position:relative;padding-left:26px;margin-bottom:10px;color:var(--text-sub);font-size:15px;
  transition:color .2s ease,transform .2s ease;
}
.list-check li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--brand-pink);font-weight:700;
}
.list-check li:hover{color:var(--text-main);transform:translateX(4px);}

.list-num{counter-reset:item;}
.list-num li{
  position:relative;padding-left:34px;margin-bottom:12px;color:var(--text-sub);font-size:15px;
  transition:color .2s ease,transform .2s ease;
}
.list-num li::before{
  counter-increment:item;content:counter(item);
  position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--brand-purple-soft);color:var(--brand-purple);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.list-num li:hover{color:var(--text-main);transform:translateX(4px);}

/* ===== 文章列表 ===== */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}

.article-item{
  background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-md);
  padding:20px;display:flex;flex-direction:column;
  position:relative;overflow:hidden;
  transition:transform .3s cubic-bezier(.22,.61,.36,1),box-shadow .3s ease,border-color .3s ease;
}
.article-item::after{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-brand);transform:scaleY(0);transform-origin:top;
  transition:transform .35s ease;
}
.article-item:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand-pink-soft);
}
.article-item:hover::after{transform:scaleY(1);}

.article-meta{
  font-size:12.5px;color:var(--brand-purple);margin-bottom:8px;
  display:flex;gap:12px;flex-wrap:wrap;
}
.article-item h4{margin:0 0 8px;font-size:17px;transition:color .2s ease;}
.article-item:hover h4{color:var(--brand-pink);}
.article-item p{font-size:14.5px;flex:1;}
.article-more{
  font-size:14px;font-weight:600;margin-top:10px;
  display:inline-flex;align-items:center;gap:4px;
  transition:gap .25s ease,color .2s ease;
}
.article-more:hover{gap:10px;}

/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;}

.faq-item{
  background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item:hover{border-color:var(--brand-pink-soft);box-shadow:var(--shadow-soft);}
.faq-item.open{border-color:var(--brand-pink);box-shadow:var(--shadow-hover);}

.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:16px 20px;font-size:16px;font-weight:600;color:var(--text-main);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-family:inherit;transition:background .25s ease;
}
.faq-q:hover{background:var(--brand-pink-soft);}
.faq-q .arrow{
  transition:transform .35s ease,color .2s ease;
  color:var(--brand-pink);flex-shrink:0;font-size:18px;font-weight:400;
}
.faq-item.open .faq-q .arrow{transform:rotate(135deg);}

.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;padding:0 20px;}
.faq-item.open .faq-a{max-height:420px;padding-bottom:16px;}
.faq-a p{font-size:14.5px;margin:0;}

/* ===== HowTo ===== */
.howto-step{
  display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--border-soft);
  transition:transform .25s ease;
}
.howto-step:hover{transform:translateX(6px);}
.howto-step:last-child{border-bottom:none;}

.howto-step .step-no{
  flex-shrink:0;width:34px;height:34px;border-radius:50%;
  background:var(--grad-brand);
  color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 6px 16px rgba(255,111,156,.3);
  transition:transform .3s ease;
}
.howto-step:hover .step-no{transform:scale(1.12) rotate(-8deg);}
.howto-step h4{margin:0 0 4px;font-size:16px;}
.howto-step p{margin:0;font-size:14.5px;}

/* ===== 表格 ===== */
.table-wrap{
  overflow-x:auto;border-radius:var(--radius-md);
  border:1px solid var(--border-soft);
  box-shadow:var(--shadow-soft);
  -webkit-overflow-scrolling:touch;
}
table{
  width:100%;border-collapse:collapse;background:var(--bg-card);
  font-size:14.5px;min-width:560px;
}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-soft);}
th{background:var(--brand-pink-soft);color:var(--text-main);font-weight:600;white-space:nowrap;}
tr:last-child td{border-bottom:none;}
td{color:var(--text-sub);transition:background .2s ease,color .2s ease;}
tbody tr{transition:background .2s ease;}
tbody tr:hover{background:var(--brand-pink-soft);}
tbody tr:hover td{color:var(--text-main);}

/* ===== 引用/评价 ===== */
.testimonial{
  background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-md);
  padding:22px;position:relative;overflow:hidden;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.testimonial::before{
  content:"“";position:absolute;top:6px;right:20px;font-size:56px;
  color:var(--brand-pink-soft);line-height:1;pointer-events:none;
}
.testimonial:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-pink-soft);}
.testimonial p{font-size:14.5px;font-style:italic;}
.testimonial .who{font-size:13.5px;color:var(--brand-purple);font-weight:600;margin-top:10px;}

/* ===== 作者/编辑信息 ===== */
.author-box{
  display:flex;gap:18px;align-items:flex-start;background:var(--bg-card);
  border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:22px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.author-box:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-pink-soft);}

.author-avatar{
  width:64px;height:64px;border-radius:50%;flex-shrink:0;
  background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:24px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,111,156,.3);
  transition:transform .35s ease;
}
.author-box:hover .author-avatar{transform:scale(1.08) rotate(6deg);}
.author-box h4{margin:0 0 4px;}
.author-box p{font-size:14px;margin-bottom:6px;}

/* ===== 联系信息 ===== */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}

.contact-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--bg-card);border:1px solid var(--border-soft);
  border-radius:var(--radius-md);padding:18px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.contact-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-pink-soft);}

.contact-item .ico{
  width:40px;height:40px;border-radius:10px;background:var(--brand-purple-soft);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform .3s ease,background .3s ease;
}
.contact-item:hover .ico{transform:scale(1.1) rotate(-6deg);background:var(--brand-pink-soft);}
.contact-item .ico svg{width:20px;height:20px;}
.contact-item h4{margin:0 0 2px;font-size:15px;}
.contact-item p{font-size:14px;margin:0;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-card);border-top:1px solid var(--border-soft);
  padding:40px 0 24px;margin-top:20px;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;}

.footer-brand{
  display:flex;align-items:center;gap:10px;margin-bottom:12px;
  font-weight:700;font-size:18px;
}
.footer-brand svg{width:34px;height:34px;transition:transform .4s ease;}
.footer-brand:hover svg{transform:rotate(-8deg) scale(1.08);}

.footer-col h4{font-size:15px;margin-bottom:12px;}
.footer-col ul li{margin-bottom:8px;}
.footer-col ul a{font-size:14px;color:var(--text-sub);transition:color .2s ease,padding-left .2s ease;}
.footer-col ul a:hover{color:var(--brand-pink);padding-left:4px;}

.footer-bottom{
  border-top:1px solid var(--border-soft);margin-top:28px;padding-top:18px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-sub);
}
.footer-bottom a{color:var(--text-sub);}
.footer-bottom a:hover{color:var(--brand-pink);}

/* ===== 返回顶部 ===== */
.back-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--grad-brand);
  color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-hover);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,visibility .3s ease,transform .3s ease,box-shadow .3s ease;
  z-index:900;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 16px 34px rgba(255,111,156,.4);}

/* ===== 滚动动画 ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-art{width:180px;}
}

@media (max-width:820px){
  .menu-toggle{display:flex;}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;background:var(--bg-glass);
    -webkit-backdrop-filter:blur(14px) saturate(160%);
    backdrop-filter:blur(14px) saturate(160%);
    flex-direction:column;align-items:stretch;padding:12px;gap:2px;
    border-bottom:1px solid var(--border-soft);
    display:none;
    box-shadow:var(--shadow-soft);
  }
  .nav-menu.open{display:flex;animation:slideDown .28s ease;}
  .nav-menu a{padding:12px 14px;}
  .nav-menu a::after{display:none;}

  .search-box input{width:120px;}
  .search-box input:focus{width:150px;}

  .grid-3,.grid-2{grid-template-columns:1fr;}
  .article-list{grid-template-columns:1fr;}

  .hero-slide{flex-direction:column;padding:28px;text-align:center;}
  .hero-art{width:150px;}
  .hero-text h1,.hero-text h2{font-size:23px;}
  .hero-text p{margin-left:auto;margin-right:auto;}
  .hero-slides{min-height:440px;}

  .contact-grid{grid-template-columns:1fr;}
  .author-box{flex-direction:column;align-items:center;text-align:center;}

  .section{padding:30px 0;}
}

@media (max-width:560px){
  .grid-4,.stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .top-bar-info{display:none;}
  .hero-text h1,.hero-text h2{font-size:20px;}
  .hero-slides{min-height:470px;}
  .section-head h2{font-size:21px;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .back-top{right:14px;bottom:18px;width:42px;height:42px;}
  .search-box input{width:96px;}
  .search-box input:focus{width:120px;}
  .brand{font-size:18px;}
  .brand svg{width:32px;height:32px;}
}

@keyframes slideDown{
  from{opacity:0;transform:translateY(-8px);}
  to{opacity:1;transform:translateY(0);}
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-page);}
::-webkit-scrollbar-thumb{
  background:linear-gradient(var(--brand-pink),var(--brand-purple));
  border-radius:999px;border:2px solid var(--bg-page);
}
::-webkit-scrollbar-thumb:hover{background:var(--brand-pink-deep);}

::selection{background:var(--brand-pink);color:#fff;}

:focus-visible{outline:2px solid var(--brand-pink);outline-offset:2px;border-radius:4px;}