/* ================= 基础与变量 ================= */
:root{
  --orange:#FF8A3D; --orange-dark:#F0762B;
  --amber:#F59E0B; --yellow:#FFC53D;
  --cream:#FFF8EE; --amber-bg:#FFF7E8;
  --ink:#443F3A; --ink-light:#7A7268; --brown:#8C5A1F;
  --radius:20px; --shadow:0 10px 30px rgba(120,90,40,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--ink);background:var(--cream);line-height:1.75}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.container{width:min(1140px,92%);margin:0 auto}
section{padding:76px 0;position:relative}
.section-title{text-align:center;font-size:34px;font-weight:800}
.section-title::after{content:"";display:block;width:64px;height:6px;border-radius:3px;background:linear-gradient(90deg,var(--orange),var(--yellow));margin:14px auto 0}
.section-sub{text-align:center;color:var(--ink-light);margin:16px auto 48px;max-width:720px}

/* ================= 按钮 ================= */
.btn{display:inline-block;padding:13px 30px;border-radius:999px;font-weight:700;font-size:16px;border:none;cursor:pointer;transition:transform .25s,background .25s}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,138,61,.35)}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--orange);border:2px solid var(--orange)}
.btn-ghost:hover{background:#FFF1E5;transform:translateY(-2px)}
.link-more{color:var(--orange);font-weight:700}

/* ================= 顶部导航 ================= */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,251,243,.9);backdrop-filter:blur(10px);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 4px 18px rgba(120,90,40,.12)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.logo{font-size:20px;font-weight:800;white-space:nowrap}
.nav-links{display:flex;gap:18px;margin-left:auto;align-items:center}
.nav-links a{font-weight:600;color:var(--ink-light);position:relative;padding:6px 2px;white-space:nowrap;font-size:15px}
.nav-links a:hover,.nav-links a.active{color:var(--orange)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:4px;border-radius:2px;background:var(--yellow)}
.nav-cta{padding:10px 22px;font-size:15px}
.hamburger{display:none;margin-left:auto;width:44px;height:44px;border:none;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.hamburger span{width:24px;height:3px;background:var(--ink);border-radius:2px;transition:.25s}
.hamburger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ================= 首页首屏 ================= */
.hero{padding:180px 0 150px;background:linear-gradient(180deg,#FFE3B8 0%,#FFF3DC 100%);overflow:hidden;text-align:center;position:relative}
.hero-inner{position:relative;z-index:3}
.hero-badge{display:inline-block;background:#fff;border-radius:999px;padding:8px 20px;font-weight:700;color:var(--orange);box-shadow:var(--shadow);margin-bottom:18px}
.hero-award{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,#FFEFD2,#FFE3B0);border:1px solid #F5C97A;border-radius:999px;padding:8px 22px;font-weight:700;color:var(--brown);margin-bottom:24px}
.hero h1{font-size:48px;line-height:1.35;font-weight:800}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .slogan{margin:18px auto 34px;max-width:700px;color:var(--ink-light);font-size:17px}
.hero .slogan-quote{color:var(--brown);font-weight:700;font-size:19px;display:block;margin-bottom:8px}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.sun{position:absolute;top:110px;right:9%;width:88px;height:88px;background:radial-gradient(circle,#FFE9A8,#FFC53D);border-radius:50%;box-shadow:0 0 70px rgba(255,197,61,.85);animation:float 6s ease-in-out infinite;z-index:1}
.cloud{position:absolute;background:#fff;border-radius:999px;opacity:.92;z-index:1}
.cloud::before,.cloud::after{content:"";position:absolute;background:#fff;border-radius:50%}
.cloud-1{width:120px;height:38px;top:120px;left:6%;animation:drift 34s linear infinite}
.cloud-1::before{width:50px;height:50px;top:-24px;left:18px}
.cloud-1::after{width:38px;height:38px;top:-16px;left:62px}
.cloud-2{width:90px;height:30px;top:200px;left:70%;animation:drift 46s linear infinite reverse}
.cloud-2::before{width:40px;height:40px;top:-18px;left:14px}
.cloud-2::after{width:30px;height:30px;top:-12px;left:46px}
.float-emoji{position:absolute;font-size:42px;z-index:2;animation:float 5s ease-in-out infinite;opacity:.9}
.hero-scene{position:absolute;bottom:-1px;left:0;width:100%;z-index:2}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes drift{0%{margin-left:-160px}100%{margin-left:110vw}}

/* ================= 二级页页头 ================= */
.page-hero{padding:150px 0 56px;background:linear-gradient(180deg,#FFE3B8 0%,#FFF8EE 100%);text-align:center}
.page-hero h1{font-size:38px;font-weight:800}
.page-hero p{color:var(--ink-light);margin-top:10px}

/* ================= 通用卡片 ================= */
.card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:30px;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(120,90,40,.16)}

/* ================= 图片占位组件 ================= */
.photo{position:relative;border-radius:16px;min-height:230px;background:linear-gradient(135deg,#FFE9C7,#FFD9A0);display:flex;align-items:center;justify-content:center;text-align:center;color:#A5782F;overflow:hidden;box-shadow:var(--shadow)}
.photo .ph{padding:16px;font-weight:700}
.photo .ph small{display:block;font-weight:400;margin-top:4px}
.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo img.broken{display:none}

/* ================= 统计 ================= */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:#fff;border-radius:var(--radius);padding:26px 16px;text-align:center;box-shadow:var(--shadow)}
.stat-num{font-size:40px;font-weight:800;color:var(--orange)}
.stat-suffix{font-size:18px;font-weight:700;color:var(--orange)}
.stat p{color:var(--ink-light);margin-top:4px}

/* ================= 简介/理念 ================= */
.about-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:start}
.about-text h3{font-size:24px;margin-bottom:14px}
.about-text p{color:var(--ink-light);margin-bottom:14px}
.brand-quote{background:#FFF1E0;border-left:4px solid var(--orange);border-radius:0 12px 12px 0;padding:14px 18px;color:var(--brown);font-weight:700;margin:18px 0}
.mission-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:22px}
.mission-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:18px;text-align:center}
.mission-card .m-icon{font-size:28px;margin-bottom:6px}
.mission-card h4{font-size:15px;color:var(--brown);margin-bottom:4px}
.mission-card p{font-size:13px;color:var(--ink-light)}
.honor{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:18px 20px;display:flex;gap:14px;align-items:flex-start;margin-bottom:14px;border-left:4px solid var(--amber)}
.honor .h-icon{flex:none;width:44px;height:44px;border-radius:12px;background:#FFEFD2;font-size:20px;display:flex;align-items:center;justify-content:center}
.honor h4{font-size:16px}
.honor p{font-size:13px;color:var(--ink-light)}

/* ================= 首页视频动态背景 ================= */
.hero.hero-video{background:#4A3F35;padding:190px 0 170px}
.hero-video .hero-video-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-video .hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(60,42,20,.55) 0%,rgba(60,42,20,.25) 45%,rgba(60,42,20,.62) 100%);z-index:1}
.hero-video .hero-inner{position:relative;z-index:2}
.hero-video h1{color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.4)}
.hero-video h1 em{color:var(--yellow)}
.hero-video .slogan{color:rgba(255,255,255,.92);text-shadow:0 1px 8px rgba(0,0,0,.35)}
.hero-video .slogan-quote{color:#FFE3B0}
.hero-video .hero-badge{background:rgba(255,255,255,.94)}
.hero-video .hero-award{background:rgba(255,255,255,.18);border-color:rgba(255,220,160,.65);color:#FFF3DC;backdrop-filter:blur(4px)}
.hero-video .btn-ghost{background:transparent;border-color:#fff;color:#fff}
.hero-video .btn-ghost:hover{background:rgba(255,255,255,.18)}

/* ================= 时间轴 ================= */
.history-line{position:relative;max-width:760px;margin:0 auto;padding-left:34px}
.history-line::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--yellow),var(--orange))}
.history-item{position:relative;margin-bottom:34px}
.history-item:last-child{margin-bottom:0}
.history-item::before{content:"";position:absolute;left:-33px;top:6px;width:20px;height:20px;border-radius:50%;background:#fff;border:5px solid var(--orange)}
.history-item .year{display:inline-block;font-weight:800;font-size:20px;color:var(--orange);margin-bottom:4px}
.history-item h4{font-size:17px}
.history-item p{color:var(--ink-light);font-size:15px}

/* ================= 课程 ================= */
.course-base{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;margin-bottom:36px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.course-base .cb-icon{flex:none;width:56px;height:56px;border-radius:16px;background:#FFEFD2;font-size:26px;display:flex;align-items:center;justify-content:center}
.course-base h3{font-size:18px}
.course-base p{color:var(--ink-light);font-size:14px}
.course-base .domains{display:flex;gap:10px;flex-wrap:wrap;margin-left:auto}
.course-base .domains span{background:#FFF1E0;color:var(--brown);font-weight:700;font-size:13px;border-radius:999px;padding:6px 16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.course .icon{width:64px;height:64px;border-radius:18px;background:var(--c,#FFE1C8);font-size:30px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.course h3{font-size:19px;margin-bottom:8px}
.course .tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brown);background:#FFF1E0;border-radius:999px;padding:3px 12px;margin-bottom:10px}
.course p{color:var(--ink-light);font-size:15px}
.activity .a-icon{font-size:32px;margin-bottom:10px}
.activity h3{font-size:17px;margin-bottom:6px}
.activity p{color:var(--ink-light);font-size:14px}
.activity .photo{min-height:170px;margin-bottom:16px}

/* ================= 园长/师资 ================= */
.principal-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:40px;align-items:center;margin-bottom:44px}
.principal-role{display:inline-block;background:#FFF1E0;color:var(--brown);font-weight:700;font-size:13px;border-radius:999px;padding:4px 14px;margin-bottom:12px}
.timeline{list-style:none;position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:#F5DDB4}
.timeline li{position:relative;margin-bottom:16px}
.timeline li:last-child{margin-bottom:0}
.timeline li::before{content:"";position:absolute;left:-26px;top:8px;width:16px;height:16px;border-radius:50%;background:var(--amber);border:3px solid #FFF3DC}
.timeline h4{font-size:16px}
.timeline p{font-size:14px;color:var(--ink-light)}
.gov-band{background:linear-gradient(135deg,#FFF6E6,#FFEED6);border-radius:var(--radius);padding:34px;display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.gov-band .g-icon{flex:none;width:72px;height:72px;border-radius:50%;background:#fff;font-size:34px;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.gov-band h3{font-size:20px;margin-bottom:6px}
.gov-band p{color:var(--ink-light);font-size:15px}
.gov-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.gov-tags span{background:#fff;border-radius:999px;padding:5px 14px;font-size:13px;font-weight:600;color:var(--brown);box-shadow:0 3px 10px rgba(120,90,40,.08)}
.teach-card .t-icon{width:60px;height:60px;border-radius:16px;background:var(--c,#FFEFD2);font-size:28px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.teach-card h3{font-size:18px;margin-bottom:8px}
.teach-card p{color:var(--ink-light);font-size:15px}

/* ================= 园所环境 ================= */
.env-card{text-align:center}
.env-card .photo{min-height:190px;margin-bottom:16px}
.env-card h3{font-size:18px;margin-bottom:8px}
.env-card p{color:var(--ink-light);font-size:14px}
.env-note{text-align:center;color:var(--ink-light);font-size:14px;margin-top:36px}

/* ================= 集团 ================= */
.group-box{background:linear-gradient(135deg,#FFF9EF,#FFF1DC);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.group-box .g-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.group-box .g-badge{flex:none;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--yellow));color:#fff;font-size:22px;display:flex;align-items:center;justify-content:center}
.group-box h3{font-size:21px}
.group-box>p{color:var(--ink-light);margin-bottom:18px}
.branch{display:flex;gap:14px;align-items:center;background:#fff;border-radius:14px;padding:14px 18px;margin-bottom:12px;box-shadow:0 4px 14px rgba(120,90,40,.06)}
.branch:last-child{margin-bottom:0}
.branch .b-icon{flex:none;width:40px;height:40px;border-radius:12px;background:#FFEFD2;font-size:18px;display:flex;align-items:center;justify-content:center}
.branch h4{font-size:15px}
.branch p{font-size:13px;color:var(--ink-light)}

/* ================= 招生 ================= */
.enroll-box{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:34px}
.enroll-box h3{font-size:20px;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.class-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px}
.class-list li{background:var(--cream);border-radius:12px;padding:12px 16px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px}
.class-list li small{font-weight:400;color:var(--ink-light);font-size:12px}
.steps{list-style:none}
.steps li{display:flex;gap:16px;padding:12px 0;border-bottom:1px dashed #F0E4D3}
.steps li:last-child{border-bottom:none}
.steps b{flex:none;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--yellow));color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;margin-top:3px}
.steps h4{font-size:16px}
.steps p{font-size:14px;color:var(--ink-light)}
.materials{list-style:none}
.materials li{padding:9px 0;font-size:15px;display:flex;gap:10px;align-items:flex-start}
.enroll-tip{margin-top:16px;background:#FFF6E3;border-radius:12px;padding:14px 16px;font-size:14px;color:#9A6B1D}
.enroll-cta{text-align:center;margin-top:48px}

/* ================= 联系/表单 ================= */
.contact-block{background:var(--cream);border-radius:16px;padding:22px;margin-bottom:18px}
.contact-block:last-child{margin-bottom:0}
.contact-block h4{font-size:17px;margin-bottom:10px}
.contact-block p{color:var(--ink-light);font-size:14px;margin-bottom:4px}
.contact-block p b{color:var(--ink)}
form label{display:block;font-weight:700;font-size:15px;margin-bottom:16px}
form input,form select,form textarea{width:100%;margin-top:6px;padding:12px 14px;border:2px solid #F0E4D3;border-radius:12px;font-size:15px;font-family:inherit;background:#FFFDF9;color:var(--ink);outline:none;transition:border-color .25s}
form input:focus,form select:focus,form textarea:focus{border-color:var(--orange)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:13px;color:var(--ink-light);margin-top:12px}

/* ================= 首页导流条 ================= */
.teaser{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;align-items:center}
.teaser h3{font-size:24px;margin-bottom:12px}
.teaser p{color:var(--ink-light);margin-bottom:14px}
.cta-band{background:linear-gradient(135deg,var(--orange),var(--yellow));border-radius:var(--radius);padding:44px;text-align:center;color:#fff;box-shadow:var(--shadow)}
.cta-band h3{font-size:26px;margin-bottom:10px}
.cta-band p{margin-bottom:24px;opacity:.95}
.cta-band .btn-primary{background:#fff;color:var(--orange-dark)}

/* ================= 页脚 ================= */
footer{background:#6B4423;color:#EBD9C4;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
footer h4{color:#fff;font-size:17px;margin-bottom:14px}
footer .f-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
footer p,footer a{font-size:14px;color:#EBD9C4}
footer ul{list-style:none}
footer ul li{margin-bottom:8px}
footer ul a:hover{color:var(--yellow)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding:18px 0;text-align:center;font-size:13px;color:#D9C3A6}

/* ================= 浮层组件 ================= */
.toast{position:fixed;left:50%;bottom:42px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:14px 26px;border-radius:12px;opacity:0;pointer-events:none;transition:.35s;z-index:200;max-width:90%;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.to-top{position:fixed;right:26px;bottom:30px;width:48px;height:48px;border-radius:50%;background:var(--orange);color:#fff;font-size:20px;border:none;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:.3s;z-index:150;box-shadow:0 8px 20px rgba(255,138,61,.4);cursor:pointer}
.to-top.show{opacity:1;pointer-events:auto}

/* ================= 滚动显现 ================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}

/* ================= 视频组件 ================= */
.video-wrap{position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#3d2f1f;max-width:900px;margin:0 auto}
.video-wrap video{width:100%;height:100%;object-fit:cover;display:block}
.video-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;color:#F5DCA8;background:linear-gradient(135deg,#6B4423,#8C5A1F);font-weight:700;padding:16px}
.video-ph small{display:block;font-weight:400;margin-top:6px;color:#EBD9C4}
.video-wrap.has-video .video-ph{display:none}

/* ================= 响应式 ================= */
@media (max-width:992px){
  .hero h1{font-size:38px}
  .about-grid,.principal-grid,.grid-2,.teaser{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .course-base .domains{margin-left:0}
  .nav-cta{display:none}
  .hamburger{display:flex}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:#FFFDF8;flex-direction:column;align-items:stretch;gap:0;padding:8px 5% 16px;box-shadow:0 14px 26px rgba(0,0,0,.10);transform:scaleY(0);transform-origin:top;opacity:0;transition:.25s}
  .nav-links.open{transform:scaleY(1);opacity:1}
  .nav-links a{padding:13px 6px;border-bottom:1px dashed #EFE3D2;font-size:16px}
  .nav-links a.active::after{display:none}
}
@media (max-width:640px){
  section{padding:60px 0}
  .hero{padding:150px 0 120px}
  .hero h1{font-size:30px}
  .page-hero h1{font-size:30px}
  .section-title{font-size:27px}
  .stats,.grid-3,.form-row,.footer-grid,.mission-cards,.class-list{grid-template-columns:1fr}
  .sun{width:64px;height:64px;top:96px}
}