/* 星河实验小学 · 全站样式 */
:root{
  --night-1:#14143a;--night-2:#2b2a63;--night-3:#4a3f8f;
  --star:#ffd166;--star-deep:#f5b942;
  --pink:#ff8fab;--green:#7ed6a5;--sky:#8fd3ff;
  --ink:#2d2a55;--ink-soft:#6b6890;
  --paper:#fbf9ff;--card:#ffffff;
  --radius:20px;
  --shadow:0 10px 30px rgba(43,42,99,.10);
  --shadow-lg:0 18px 50px rgba(43,42,99,.18);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:16px}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1120px;margin:0 auto;padding:0 22px}
.center{text-align:center;margin-top:34px}

/* ===== 顶部导航 ===== */
.topbar{position:sticky;top:0;z-index:50;background:rgba(20,20,58,.92);backdrop-filter:blur(10px);color:#fff}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:10px}
.brand-star{width:38px;height:38px;flex:none;animation:spinSlow 14s linear infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.brand-txt{display:flex;flex-direction:column;font-weight:800;font-size:19px;letter-spacing:1px;line-height:1.2}
.brand-txt small{font-size:10px;font-weight:500;letter-spacing:2px;color:#b9b5e6}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:9px 15px;border-radius:999px;font-size:15px;color:#dcdaf5;transition:.25s}
.nav a:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav a[aria-current="page"]{color:var(--night-1);background:var(--star);font-weight:700}
.nav-cta{background:var(--star);color:var(--night-1)!important;font-weight:800}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:3px;border-radius:3px;background:#fff;margin:5px 0;transition:.3s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;background:linear-gradient(160deg,var(--night-1) 0%,var(--night-2) 55%,var(--night-3) 100%);color:#fff;overflow:hidden}
.sky{position:absolute;inset:0;pointer-events:none}
.st{position:absolute;width:4px;height:4px;border-radius:50%;background:#fff;opacity:.7;animation:twinkle 2.6s ease-in-out infinite}
.st.lg{width:8px;height:8px;box-shadow:0 0 14px 3px rgba(255,209,102,.8);background:var(--star)}
.st:nth-child(2n){animation-delay:.9s}.st:nth-child(3n){animation-delay:1.6s}
@keyframes twinkle{0%,100%{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1.15)}}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:30px;padding-top:76px;padding-bottom:86px}
.hero-kicker{display:inline-block;background:rgba(255,209,102,.16);color:var(--star);border:1px solid rgba(255,209,102,.4);padding:6px 16px;border-radius:999px;font-size:14px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.6vw,52px);line-height:1.28;letter-spacing:1px;margin-bottom:18px}
.grad{background:linear-gradient(90deg,var(--star),#ffb3c9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:#cfcbf0;max-width:34em;font-size:16.5px;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:20px}
.hero-note{color:#a9a5d8;font-size:14px}
.hero-art{display:flex;justify-content:center}
.art-rocket{width:min(100%,420px)}
.floaty{animation:floaty 4s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.twinkle{animation:twinkle 2.2s ease-in-out infinite}
.twinkle.d2{animation-delay:.7s}.twinkle.d3{animation-delay:1.3s}

/* ===== 按钮 ===== */
.btn{display:inline-block;padding:11px 24px;border-radius:999px;font-weight:700;font-size:15px;transition:.25s;border:2px solid transparent;cursor:pointer}
.btn-star{background:var(--star);color:var(--night-1);box-shadow:0 6px 18px rgba(255,209,102,.35)}
.btn-star:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,209,102,.45);background:#ffdf8f}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--night-2);color:var(--night-2);background:transparent}
.btn-outline:hover{background:var(--night-2);color:#fff}
.btn-lg{padding:15px 34px;font-size:16.5px}

/* ===== 数据条 ===== */
.stats{background:#fff;margin-top:-1px;border-bottom:1px solid #efeaff}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding:34px 22px;text-align:center}
.stat strong{display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;color:var(--night-2);font-variant-numeric:tabular-nums}
.stat span{color:var(--ink-soft);font-size:14.5px}

/* ===== 分区 ===== */
.section{padding:76px 0}
.section.alt{background:#f3f0ff}
.kicker{color:var(--night-3);font-weight:800;letter-spacing:3px;font-size:14px;margin-bottom:8px}
.section h2{font-size:clamp(24px,3vw,34px);margin-bottom:36px;letter-spacing:.5px}

/* ===== 卡片 ===== */
.cards{display:grid;gap:22px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);transition:.3s;border:1px solid #f0ecff}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card h3{font-size:19px;margin:16px 0 8px}
.card p{color:var(--ink-soft);font-size:15px}
.card-ico{width:62px;height:62px;border-radius:18px;display:flex;align-items:center;justify-content:center}
.card-ico svg{width:36px;height:36px}
.i-blue{background:linear-gradient(135deg,#5a7dff,#8fa8ff)}
.i-pink{background:linear-gradient(135deg,#ff7ba0,#ffa8c2)}
.i-green{background:linear-gradient(135deg,#4fc98d,#8fe3b6)}

/* ===== 课程 ===== */
.course{border-radius:var(--radius);padding:26px;color:#fff;box-shadow:var(--shadow);transition:.3s}
.course:hover{transform:translateY(-6px) rotate(-1deg);box-shadow:var(--shadow-lg)}
.course h3{font-size:18px;margin:10px 0 6px}
.course p{font-size:14px;opacity:.92}
.c-emoji{font-size:30px}
.c1{background:linear-gradient(150deg,#5a7dff,#7d5fff)}
.c2{background:linear-gradient(150deg,#ff7ba0,#ff9a76)}
.c3{background:linear-gradient(150deg,#2fb98a,#6fd6a8)}
.c4{background:linear-gradient(150deg,#a06bff,#c99bff)}
.c5{background:linear-gradient(150deg,#ff9a3d,#ffc46b)}
.c6{background:linear-gradient(150deg,#3aa6e8,#7cc8ff)}

/* ===== 图集 ===== */
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.g-item{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow);transition:.3s}
.g-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.g-item svg{width:100%;height:auto}
.g-item figcaption{padding:14px 18px;font-weight:700;font-size:15px}

/* ===== 口碑 ===== */
.quote{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);position:relative;border-top:4px solid var(--star)}
.quote p{font-size:15.5px;color:var(--ink);margin-bottom:14px}
.quote footer{color:var(--ink-soft);font-size:14px;font-weight:600}
.stars{position:absolute;top:20px;right:22px;color:var(--star);letter-spacing:2px;font-size:14px}

/* ===== 新闻 ===== */
.news-mini{display:grid;gap:14px;margin-bottom:8px}
.news-item{display:flex;align-items:center;gap:14px;background:#fff;border-radius:16px;padding:18px 22px;box-shadow:var(--shadow);transition:.25s;flex-wrap:wrap}
.news-item:hover{transform:translateX(6px);box-shadow:var(--shadow-lg)}
.news-item time{color:var(--ink-soft);font-size:13.5px;flex:none;font-variant-numeric:tabular-nums}
.news-item h3{font-size:15.5px;font-weight:600;flex:1;min-width:200px}
.tag{flex:none;font-size:12.5px;padding:3px 12px;border-radius:999px;font-weight:700}
.t-blue{background:#e6ecff;color:#4a6cf0}.t-pink{background:#ffe9f0;color:#e86a8a}.t-green{background:#e4f8ee;color:#2fa97b}

/* ===== CTA 横幅 ===== */
.cta-band{background:linear-gradient(120deg,var(--night-2),var(--night-3));color:#fff;padding:64px 0;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"✦";position:absolute;font-size:120px;opacity:.08;right:6%;top:-20px}
.cta-band::after{content:"✦";position:absolute;font-size:70px;opacity:.10;left:8%;bottom:-10px}
.cta-in h2{font-size:clamp(24px,3vw,34px);margin-bottom:10px}
.cta-in p{color:#cfcbf0;margin-bottom:26px}

/* ===== 内页 banner ===== */
.page-hero{background:linear-gradient(150deg,var(--night-1),var(--night-3));color:#fff;padding:64px 0;text-align:center;position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(28px,4vw,42px);letter-spacing:2px;margin-bottom:10px}
.page-hero p{color:#c9c5ee}
.page-hero .st{opacity:.5}
.crumb{margin-top:16px;font-size:13.5px;color:#9c98cf}
.crumb a{color:#cfcbee}
.crumb a:hover{color:#fff}

/* ===== 关于页 ===== */
.about-lead{max-width:56em;margin:0 auto;font-size:16.5px}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.pillar{background:#fff;border-radius:var(--radius);padding:28px;text-align:center;box-shadow:var(--shadow);border-bottom:4px solid var(--star)}
.pillar:nth-child(2){border-bottom-color:var(--pink)}
.pillar:nth-child(3){border-bottom-color:var(--green)}
.pillar .p-emoji{font-size:36px}
.pillar h3{margin:12px 0 8px;font-size:18px}
.pillar p{color:var(--ink-soft);font-size:14.5px}
.principal{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:center;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:38px;max-width:900px;margin:0 auto}
.principal-photo{width:180px;height:180px;border-radius:50%;background:linear-gradient(135deg,#ffd166,#ff8fab);margin:0 auto;display:flex;align-items:center;justify-content:center;font-size:64px;border:6px solid #fff;box-shadow:var(--shadow-lg)}
.principal blockquote p{font-size:17px;line-height:2;margin-bottom:12px}
.principal blockquote footer{color:var(--ink-soft);font-weight:700;font-size:14.5px}
.teachers{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.teacher{background:#fff;border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);transition:.3s}
.teacher:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.t-avatar{width:84px;height:84px;border-radius:50%;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:40px}
.teacher h3{font-size:17px}
.t-role{font-size:13px;color:var(--night-3);font-weight:700;margin:4px 0 8px}
.teacher p{font-size:13.5px;color:var(--ink-soft)}
.facilities{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.facility{background:#fff;border-radius:16px;padding:20px 22px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:flex-start}
.facility .f-emoji{font-size:26px;flex:none}
.facility h3{font-size:15.5px;margin-bottom:4px}
.facility p{font-size:13.5px;color:var(--ink-soft)}

/* ===== 风采页 ===== */
.honors{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.honor{background:#fff;border-radius:16px;padding:22px 14px;text-align:center;box-shadow:var(--shadow);transition:.3s}
.honor:hover{transform:translateY(-5px)}
.honor .h-ico{font-size:30px}
.honor h3{font-size:14px;margin:10px 0 4px;line-height:1.5}
.honor span{font-size:12.5px;color:var(--ink-soft)}
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.work{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.3s}
.work:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.work svg{width:100%;height:auto}
.work .w-meta{padding:14px 18px}
.work h3{font-size:15.5px}
.work span{font-size:13px;color:var(--ink-soft)}

/* ===== 新闻页 ===== */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.f-btn{padding:8px 20px;border-radius:999px;border:2px solid #ddd6f8;background:#fff;color:var(--ink-soft);font-weight:700;font-size:14px;cursor:pointer;transition:.25s;font-family:inherit}
.f-btn:hover{border-color:var(--night-3);color:var(--night-3)}
.f-btn.active{background:var(--night-2);border-color:var(--night-2);color:#fff}
.news-list{display:grid;gap:16px}
.news-card{display:grid;grid-template-columns:110px 1fr;gap:22px;background:#fff;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.25s;align-items:center}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.n-date{text-align:center;background:#f3f0ff;border-radius:14px;padding:14px 6px}
.n-date b{display:block;font-size:26px;color:var(--night-2);font-variant-numeric:tabular-nums;line-height:1.2}
.n-date span{font-size:13px;color:var(--ink-soft)}
.news-card h2{font-size:17.5px;margin:8px 0 6px}
.news-card .n-sum{font-size:14px;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card.hidden{display:none}
.pager{display:flex;justify-content:center;gap:8px;margin-top:34px}
.pager button{width:40px;height:40px;border-radius:12px;border:2px solid #ddd6f8;background:#fff;font-weight:700;cursor:pointer;color:var(--ink-soft);font-family:inherit}
.pager button.on{background:var(--night-2);border-color:var(--night-2);color:#fff}

/* ===== 联系页 ===== */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px}
.form-card h2{font-size:22px;margin-bottom:6px}
.form-card>p{color:var(--ink-soft);font-size:14px;margin-bottom:22px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;font-size:14px;margin-bottom:6px}
.field label i{color:#e85d75;font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:2px solid #e6e1fa;border-radius:12px;font-size:15px;font-family:inherit;color:var(--ink);background:#fbfaff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--night-3);background:#fff;box-shadow:0 0 0 4px rgba(74,63,143,.10)}
.field textarea{resize:vertical;min-height:110px}
.form-msg{display:none;margin-top:16px;padding:14px 18px;border-radius:12px;background:#e4f8ee;color:#1f7a53;font-weight:700;font-size:14.5px}
.form-msg.err{background:#ffe9ee;color:#c73a58}
.form-msg.show{display:block}
.info-cards{display:grid;gap:16px}
.info-card{background:#fff;border-radius:16px;padding:22px;box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start}
.info-card .i-emoji{width:48px;height:48px;flex:none;border-radius:14px;background:#f3f0ff;display:flex;align-items:center;justify-content:center;font-size:22px}
.info-card h3{font-size:15.5px;margin-bottom:4px}
.info-card p{font-size:14px;color:var(--ink-soft)}
.info-card p b{color:var(--ink)}
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border-radius:14px;box-shadow:var(--shadow);margin-bottom:14px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;list-style:none;position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:22px;color:var(--night-3);transition:.25s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 22px 18px;color:var(--ink-soft);font-size:14.5px}

/* ===== 页脚 ===== */
.footer{background:var(--night-1);color:#b9b5e6;padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1.2fr 1.3fr;gap:34px;padding-bottom:40px}
.footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:1px}
.footer ul li{margin-bottom:9px;font-size:14px}
.footer ul a:hover{color:var(--star)}
.foot-brand p{font-size:14px;margin-top:14px;line-height:1.9}
.foot-tip{font-size:13.5px;line-height:1.8;margin-bottom:16px}
.foot-base{border-top:1px solid rgba(255,255,255,.10);padding:18px 22px;font-size:12.5px;color:#807cc0;text-align:center}

/* ===== 渐入动画 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.st,.floaty,.twinkle,.brand-star{animation:none}}

/* ===== 响应式 ===== */
@media (max-width:960px){
  .hero-in{grid-template-columns:1fr;padding-top:56px;padding-bottom:60px;text-align:center}
  .hero-copy{order:1}.hero-art{order:2}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-cta{justify-content:center}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .cards.three{grid-template-columns:repeat(2,1fr)}
  .teachers{grid-template-columns:repeat(2,1fr)}
  .pillars,.facilities{grid-template-columns:1fr 1fr}
  .works{grid-template-columns:repeat(2,1fr)}
  .honors{grid-template-columns:repeat(3,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .principal{grid-template-columns:1fr;text-align:center}
}
@media (max-width:640px){
  .burger{display:block}
  .nav{position:absolute;top:72px;left:0;right:0;background:var(--night-1);flex-direction:column;align-items:stretch;padding:14px 22px 22px;gap:4px;display:none;box-shadow:0 20px 30px rgba(0,0,0,.3)}
  .nav.open{display:flex}
  .nav a{padding:13px 16px}
  .section{padding:56px 0}
  .gallery,.cards.three,.works,.pillars,.facilities,.f-row{grid-template-columns:1fr}
  .teachers{grid-template-columns:1fr 1fr}
  .honors{grid-template-columns:1fr 1fr}
  .news-card{grid-template-columns:1fr}
  .n-date{display:inline-block;padding:8px 16px}
  .foot-grid{grid-template-columns:1fr}
  .principal{padding:26px}
  .form-card{padding:24px}
}