/* =========================================================
   东莞高级中学智造空间 — 样式表
   主色取自校徽：深蓝 #095093 / 青 #0fabcd / 红点 #e8091b
   ========================================================= */

:root{
  --brand:#095093;
  --brand-deep:#06315f;
  --brand-darker:#04203f;
  --brand-soft:#e8f1fa;
  --cyan:#0fabcd;
  --red:#e8091b;

  --ink:#0e1b2b;
  --ink-2:#4a5b70;
  --ink-3:#7b8a9c;
  --line:#e3ebf4;
  --line-2:#d3e0ee;
  --bg:#ffffff;
  --bg-alt:#f5f8fc;

  --radius:18px;
  --radius-sm:12px;
  --shadow-sm:0 1px 2px rgba(9,63,118,.06), 0 6px 18px rgba(9,63,118,.06);
  --shadow-md:0 10px 30px rgba(9,63,118,.10);
  --shadow-lg:0 24px 60px rgba(6,49,95,.16);
  --wrap:1200px;
  --ease:cubic-bezier(.22,.68,.24,1);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol,dl,dd,dt,figure{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* ---------------- 图标 ---------------- */
.icon-sprite{position:absolute;width:0;height:0;overflow:hidden}
.ic{
  width:1em;height:1em;flex:none;
  fill:none;stroke:currentColor;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round;
}

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

/* =========================================================
   顶部导航
   ========================================================= */
/* 顶部提示浮窗：固定在页面顶端，左右两端为半圆，5 秒后自动渐出 */
.top-notice{
  position:fixed;left:18px;right:18px;top:14px;margin:0 auto;z-index:90;
  display:flex;align-items:center;gap:14px;
  width:auto;max-width:1040px;
  padding:11px 60px 11px 26px;
  border-radius:999px;
  background:linear-gradient(110deg,#06315f 0%,#095093 48%,#0a6f9c 100%);
  color:#fff;
  font-size:13.5px;line-height:1.65;
  box-shadow:0 20px 46px rgba(4,32,63,.42), inset 0 1px 0 rgba(255,255,255,.18);
  animation:noticeIn .62s var(--ease) both;
}
.top-notice[hidden]{display:none}
.top-notice.is-closing{animation:noticeOut .55s var(--ease) both}
@keyframes noticeIn{from{opacity:0;transform:translateY(-22px)}to{opacity:1;transform:none}}
@keyframes noticeOut{from{opacity:1;transform:none}to{opacity:0;transform:translateY(-18px)}}
/* 浮窗背后的一层顶部渐隐，让浮窗与页头的叠压看起来是有意为之 */
.notice-veil{
  position:fixed;left:0;right:0;top:0;height:132px;z-index:89;
  background:linear-gradient(180deg,rgba(4,32,63,.55) 0%,rgba(4,32,63,.20) 58%,rgba(4,32,63,0) 100%);
  pointer-events:none;
  animation:veilIn .62s var(--ease) both;
}
.notice-veil[hidden]{display:none}
.notice-veil.is-closing{animation:veilOut .55s var(--ease) both}
@keyframes veilIn{from{opacity:0}to{opacity:1}}
@keyframes veilOut{from{opacity:1}to{opacity:0}}
.top-notice p{flex:1;margin:0}
.top-notice a{
  color:#8fe3f7;font-weight:700;text-decoration:underline;
  text-underline-offset:3px;text-decoration-thickness:1px;
}
.top-notice a:hover{color:#fff}
.notice-ic{
  flex:none;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);color:#8fe3f7;
}
.notice-ic .ic{width:17px;height:17px;stroke-width:1.9}
.notice-close{
  position:absolute;right:9px;top:50%;transform:translateY(-50%);
  width:34px;height:34px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);
  color:#fff;display:flex;align-items:center;justify-content:center;
  transition:background .2s,transform .2s;
}
.notice-close .ic{width:15px;height:15px;stroke-width:2}
.notice-close:hover{background:rgba(255,255,255,.24);transform:translateY(-50%) scale(1.06)}

.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(9,63,118,.07);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:82px}

.brand{display:flex;align-items:center;gap:12px;flex:none}
.brand-badge{width:56px;height:56px;object-fit:contain}
.brand-copy{display:flex;flex-direction:column;gap:1px;line-height:1}
.brand-word{height:29px;width:auto;object-fit:contain;object-position:left center}
.brand-sub{
  display:flex;align-items:baseline;gap:7px;
  font-size:13.5px;font-weight:700;color:var(--brand);
  letter-spacing:.22em;
}
.brand-sub i{
  font-style:normal;font-size:9px;font-weight:600;
  color:var(--ink-3);letter-spacing:.14em;transform:translateY(-1px);
}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav > a{
  position:relative;
  padding:9px 13px;border-radius:10px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.main-nav > a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.main-nav > a:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav > a.is-current{color:var(--brand)}
.main-nav > a.is-current::after{transform:scaleX(1)}
.main-nav > a.nav-cta{
  margin-left:8px;padding:9px 18px;
  background:var(--brand);color:#fff;
  box-shadow:0 6px 16px rgba(9,80,147,.25);
}
.main-nav > a.nav-cta::after{display:none}
.main-nav > a.nav-cta:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}

.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid var(--line-2);border-radius:12px;
  background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--brand);border-radius:2px;transition:transform .3s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* =========================================================
   按钮
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  transition:transform .22s var(--ease),box-shadow .22s,background .22s,color .22s,border-color .22s;
}
.btn .ic{width:18px;height:18px;stroke-width:2}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,#0a63b0 55%,var(--cyan) 130%);
  color:#fff;box-shadow:0 10px 24px rgba(9,80,147,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(9,80,147,.34)}
.btn-ghost{
  background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.35);
}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-block{width:100%}

/* =========================================================
   首屏
   ========================================================= */
.hero{
  position:relative;
  padding:74px 0 64px;
  background:
    radial-gradient(1200px 620px at 78% -10%, #0d64ad 0%, transparent 62%),
    radial-gradient(900px 520px at 6% 108%, #0b7d9c 0%, transparent 60%),
    linear-gradient(160deg,#063160 0%,#052a52 45%,#04203f 100%);
  color:#fff;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55}
.glow-a{width:460px;height:460px;right:-60px;top:-140px;background:radial-gradient(circle,#12b4d6 0%,transparent 68%)}
.glow-b{width:520px;height:520px;left:-160px;bottom:-220px;background:radial-gradient(circle,#0b5ca8 0%,transparent 70%)}
.grid-mask{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(80% 70% at 50% 40%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(80% 70% at 50% 40%,#000 20%,transparent 100%);
}

.hero-inner{
  position:relative;
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:56px;align-items:center;
}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;margin-bottom:22px;
  border:1px solid rgba(255,255,255,.22);border-radius:999px;
  background:rgba(255,255,255,.08);
  font-size:13px;font-weight:600;letter-spacing:.1em;color:#cfe8fb;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(15,171,205,.22)}

.hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;letter-spacing:-.02em;line-height:1.26;
}
.hero h1 .hl{
  color:#fff;
  background:linear-gradient(120deg,var(--cyan),#7ee0f5);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero h1 em{
  font-style:normal;position:relative;z-index:0;white-space:nowrap;
}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:.06em;height:.34em;
  background:linear-gradient(90deg,rgba(15,171,205,.62),rgba(232,9,27,.5));
  border-radius:3px;z-index:-1;
}
.lede{
  max-width:600px;margin-top:22px;
  font-size:16.5px;line-height:1.9;color:rgba(226,240,252,.86);
}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;margin-top:46px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats dt{display:flex;align-items:baseline;gap:3px;font-size:30px;font-weight:800;color:#fff;letter-spacing:-.02em}
.hero-stats dt b{font-weight:800}
.hero-stats dt i{font-style:normal;font-size:14px;font-weight:600;color:var(--cyan)}
.hero-stats dd{margin-top:2px;font-size:13px;color:rgba(206,227,244,.72)}

/* 首屏右侧光环图 */
.hero-visual{display:flex;justify-content:center}
.orbit{
  position:relative;width:min(520px,100%);aspect-ratio:1/1;
}
.ring{
  position:absolute;inset:0;border-radius:50%;
  border:1px dashed rgba(255,255,255,.20);
}
.ring-mid{inset:11%;border-style:solid;border-color:rgba(15,171,205,.28)}
.ring-inner{inset:23%;border-color:rgba(255,255,255,.14)}
.ring-outer{animation:spin 46s linear infinite}
.ring-mid{animation:spin 34s linear infinite reverse}
.ring-inner{animation:spin 60s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.core{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:38%;aspect-ratio:1/1;border-radius:50%;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  background:rgba(255,255,255,.97);
  box-shadow:0 20px 50px rgba(3,26,52,.42),0 0 0 12px rgba(255,255,255,.06);
}
.core img{width:62%;height:auto;object-fit:contain}
.core-label{font-size:14px;font-weight:800;color:var(--brand);letter-spacing:.24em;text-indent:.24em}

.node{
  position:absolute;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand-deep);
  font-size:13px;font-weight:700;white-space:nowrap;
  box-shadow:0 10px 24px rgba(3,26,52,.28);
  animation:float 6s ease-in-out infinite;
}
.node .ic{width:15px;height:15px;color:var(--cyan);stroke-width:1.9}
.n1{left:50%;top:1.5%;transform:translateX(-50%)}
.n2{right:-2%;top:24%}
.n3{right:-2%;bottom:24%}
.n4{left:50%;bottom:1.5%;transform:translateX(-50%)}
.n5{left:-2%;bottom:24%}
.n6{left:-2%;top:24%}
.n2,.n3,.n5,.n6{animation-duration:7.4s}
.n3,.n4{animation-delay:-1.6s}
.n5,.n6{animation-delay:-3.1s}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -7px}}

/* 首屏底部横条 */
.hero-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:8px;margin-top:56px;
  padding:22px;border-radius:var(--radius);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(8px);
}
.hero-strip li{display:flex;gap:12px;align-items:flex-start;padding:6px 14px;border-right:1px solid rgba(255,255,255,.12)}
.hero-strip li:last-child{border-right:0}
.hero-strip .ic{width:22px;height:22px;color:var(--cyan);margin-top:3px}
.hero-strip span{font-size:13px;color:rgba(214,232,247,.78);line-height:1.6}
.hero-strip b{display:block;font-size:14.5px;color:#fff;margin-bottom:2px}

/* =========================================================
   通用区块
   ========================================================= */
.section{padding:92px 0;scroll-margin-top:80px}
.section-alt{background:var(--bg-alt)}
.section-alt + .section-alt{padding-top:0}

.section-head{max-width:730px;margin-bottom:52px}
.kicker{
  margin-bottom:14px;
  font-size:12.5px;font-weight:700;letter-spacing:.2em;
  color:var(--brand);text-transform:uppercase;
}
.section-head h2,.contact-main h2{
  font-size:clamp(25px,2.7vw,36px);
  font-weight:800;line-height:1.3;letter-spacing:-.02em;
}
.section-head h2 .hl,.contact-main h2 .hl{color:var(--brand)}
.section-lede{margin-top:18px;font-size:16px;color:var(--ink-2);line-height:1.9}

/* 卡片通用 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c6dcef}

/* =========================================================
   空间概览
   ========================================================= */
.overview-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:52px;align-items:start}
.overview-text > p{color:var(--ink-2);font-size:16px;line-height:2}
.overview-text > p + p{margin-top:16px}

.feature-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list b{font-size:15.5px;display:block;margin-bottom:4px}
.feature-list p{font-size:13.5px;color:var(--ink-2);line-height:1.75}
.fi{
  flex:none;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);
}
.fi .ic{width:21px;height:21px}

.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);
}
.plan-card figcaption{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}
.plan-card figcaption b{font-size:16px}
.plan-card figcaption span{font-size:13px;color:var(--ink-3)}
.plan{width:100%;height:auto;display:block}
.plan-frame{fill:none;stroke:var(--line-2);stroke-width:2;stroke-dasharray:7 6}
.plan-hall{fill:#eef6fd;stroke:#c7dff4;stroke-width:1.5}
.plan-hall-title{fill:var(--brand-deep);font-size:14px;font-weight:700;text-anchor:middle;font-family:inherit}
.plan-hall-sub{fill:var(--ink-3);font-size:11px;text-anchor:middle;font-family:inherit}
.zone rect{fill:url(#planA);stroke:#bcd9f2;stroke-width:1.4;transition:fill .3s}
.zone-b rect{fill:url(#planB);stroke:#a9dcea;stroke-width:1.4}
.zone:hover rect{stroke:var(--brand)}
.zone text{fill:var(--brand-deep);font-size:12.5px;font-weight:700;text-anchor:middle;font-family:inherit}
.zone text.zs{fill:var(--ink-3);font-size:9.5px;font-weight:500}
.plan-note{margin-top:12px;font-size:12px;color:var(--ink-3)}

/* =========================================================
   功能分区
   ========================================================= */
.zone-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.zone-card{display:flex;flex-direction:column;gap:14px;padding:26px 24px}
.card-ic{
  width:50px;height:50px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#e9f3fc,#d9edf7);
  color:var(--brand);
  border:1px solid #d5e7f7;
}
.card-ic .ic{width:25px;height:25px;stroke-width:1.6}
.zone-card h3{font-size:17.5px}
.zone-card p{font-size:14px;color:var(--ink-2);line-height:1.8;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;padding-top:4px}
.tag-row li{
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:8px;padding:4px 10px;
}

/* =========================================================
   课程体系
   ========================================================= */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step}
.step{
  position:relative;padding:30px 24px 26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.step::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:#c6dcef}
.step:hover::before{transform:scaleX(1)}
.step-no{
  display:block;font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px #cfe1f0;
  margin-bottom:14px;
}
.step h3{font-size:17px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}
.step h3 em{
  font-style:normal;font-size:11.5px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);padding:3px 9px;border-radius:7px;letter-spacing:.02em;
}
.step > p{margin-top:12px;font-size:14px;color:var(--ink-2);line-height:1.8}
.step ul{margin-top:16px;display:grid;gap:9px}
.step ul li{
  position:relative;padding-left:20px;font-size:13.5px;color:var(--ink-2);
}
.step ul li::before{
  content:"";position:absolute;left:4px;top:.62em;
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(15,171,205,.14);
}

/* =========================================================
   设备装备
   ========================================================= */
.tabs{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}
.tab-list{display:flex;flex-wrap:wrap;gap:6px;padding:14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fbfdff,#f6fafd)}
.tab{
  padding:10px 18px;border:1px solid transparent;border-radius:10px;
  background:transparent;color:var(--ink-2);font-size:14.5px;font-weight:600;
  transition:background .2s,color .2s,border-color .2s;
}
.tab:hover{background:#eef5fb;color:var(--brand)}
.tab.is-active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 14px rgba(9,80,147,.22)}
.tab-panel{display:none;padding:6px 22px 22px}
.tab-panel.is-active{display:block;animation:fadeUp .35s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.equip-table{width:100%;border-collapse:collapse;font-size:14.5px}
.equip-table th{
  text-align:left;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--ink-3);padding:16px 12px 10px;
}
.equip-table th:last-child,.equip-table td:last-child{text-align:right;white-space:nowrap}
.equip-table td{padding:14px 12px;border-top:1px solid var(--line);color:var(--ink-2)}
.equip-table td:first-child{color:var(--ink);font-weight:600}
.equip-table tbody tr{transition:background .2s}
.equip-table tbody tr:hover{background:#f7fbff}
.equip-note{
  display:flex;align-items:center;gap:9px;
  margin-top:16px;padding:12px 18px;
  border-radius:12px;
  background:var(--brand-soft);border:1px dashed #c8dff2;
  font-size:13px;color:var(--ink-2);
}
.equip-note .ic{width:17px;height:17px;color:var(--brand);stroke-width:1.9}

/* =========================================================
   学生作品
   ========================================================= */
.filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  padding:9px 18px;border:1px solid var(--line-2);border-radius:999px;
  background:#fff;color:var(--ink-2);font-size:14px;font-weight:600;
  transition:all .22s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(9,80,147,.22)}

.work-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.work-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.work-card.is-hidden{display:none}
.work-thumb{
  height:150px;display:flex;align-items:center;justify-content:center;
  color:#fff;position:relative;overflow:hidden;
}
.work-thumb::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;
  mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent);
  -webkit-mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent);
}
.work-thumb .ic{width:46px;height:46px;stroke-width:1.4;position:relative;z-index:1}
/* 若有实物照片，可直接用 <img class="work-cover"> 替换 .work-thumb */
.work-cover{width:100%;height:150px;object-fit:cover;display:block}
.t-a{background:linear-gradient(135deg,#063a70,#0d78b8)}
.t-b{background:linear-gradient(135deg,#0a5c8f,#12a6c6)}
.t-c{background:linear-gradient(135deg,#0c4a86,#2f8fd0)}
.t-d{background:linear-gradient(135deg,#08456f,#0fa0b8)}
.t-e{background:linear-gradient(135deg,#0a3f7d,#1663a8)}
.t-f{background:linear-gradient(135deg,#0b5688,#22a7bd)}
.t-g{background:linear-gradient(135deg,#083e6b,#0d6ea8)}
.t-h{background:linear-gradient(135deg,#07497e,#1587b0)}
.t-i{background:linear-gradient(135deg,#0a477a,#1b90b6)}

.work-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:9px;flex:1}
.work-cat{
  align-self:flex-start;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:3px 10px;border-radius:7px;
}
.work-body h3{font-size:17px}
.work-body p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* =========================================================
   活动赛事
   ========================================================= */
.events-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:34px;align-items:start}

.timeline{position:relative;padding-left:8px}
.timeline::before{
  content:"";position:absolute;left:70px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(15,171,205,.25));
  border-radius:2px;
}
.timeline li{position:relative;display:grid;grid-template-columns:62px 1fr;gap:30px;padding:0 0 26px}
.timeline li:last-child{padding-bottom:0}
.t-when{
  font-size:13px;font-weight:700;color:var(--brand);text-align:right;padding-top:2px;
}
.timeline li > div{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 20px;
  transition:transform .26s var(--ease),box-shadow .26s,border-color .26s;
}
.timeline li > div::before{
  content:"";position:absolute;left:-37px;top:22px;
  width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.timeline li:hover > div{transform:translateX(4px);box-shadow:var(--shadow-sm);border-color:#c6dcef}
.timeline b{font-size:15.5px}
.timeline p{margin-top:5px;font-size:13.5px;color:var(--ink-2);line-height:1.75}

.honor{
  background:linear-gradient(160deg,#063160,#04203f);
  border-radius:var(--radius);padding:28px;color:#fff;
  box-shadow:var(--shadow-md);
}
.honor h3{display:flex;align-items:center;gap:10px;font-size:17px}
.honor h3 .ic{width:22px;height:22px;color:var(--cyan)}
.honor-lede{margin-top:12px;font-size:13.5px;line-height:1.85;color:rgba(214,232,247,.82)}
.honor-stats{margin-top:22px;display:grid;gap:12px}
.honor-stats li{
  display:flex;align-items:baseline;gap:12px;
  padding:12px 16px;border-radius:12px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);
}
.honor-stats b{font-size:26px;font-weight:800;color:#fff;min-width:56px;letter-spacing:-.02em}
.honor-stats b::after{content:"+";font-size:15px;color:var(--cyan);margin-left:2px}
.honor-stats li:last-child b::after{content:""}
.honor-stats span{font-size:13px;color:rgba(206,227,244,.78)}
.honor-note{margin-top:18px;font-size:11.5px;color:rgba(180,206,229,.6);line-height:1.7}

/* =========================================================
   预约
   ========================================================= */
.booking-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:34px;align-items:start}

.hours h3,.booking-form h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:20px}
.hours h3 .ic,.booking-form h3 .ic{width:22px;height:22px;color:var(--brand)}
.hours-list{display:grid;gap:10px}
.hours-list li{
  display:grid;grid-template-columns:1fr auto;gap:4px 14px;
  padding:16px 20px;border-radius:var(--radius-sm);
  background:#fff;border:1px solid var(--line);
}
.hours-list span{font-size:14.5px;font-weight:600}
.hours-list b{font-size:15.5px;font-weight:800;color:var(--brand);letter-spacing:.01em}
.hours-list em{
  grid-column:1/-1;font-style:normal;font-size:12.5px;color:var(--ink-3);
}
.hours-list li.closed{background:var(--bg-alt);border-style:dashed}
.hours-list li.closed b{color:var(--ink-3)}
.hours-tip{
  margin-top:20px;padding:18px 20px;border-radius:var(--radius-sm);
  background:var(--brand-soft);border:1px solid #d3e5f6;
}
.hours-tip b{font-size:14px;color:var(--brand-deep)}
.hours-tip p{margin-top:6px;font-size:13px;color:var(--ink-2);line-height:1.8}

.booking-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);
}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:block;margin-bottom:16px}
.field > span{display:block;margin-bottom:7px;font-size:13.5px;font-weight:600;color:var(--ink-2)}
.field > span i{font-style:normal;color:var(--red)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;
  border:1px solid var(--line-2);border-radius:10px;background:#fbfdff;
  font-size:14.5px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field textarea{resize:vertical;min-height:84px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(9,80,147,.12);
}
.field.has-error input,.field.has-error select{border-color:var(--red);background:#fff7f7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-msg{min-height:22px;margin-bottom:10px;font-size:13.5px;font-weight:600}
.form-msg.is-error{color:var(--red)}
.form-msg.is-ok{color:#0a8f5b}
.form-note{margin-top:14px;font-size:12px;color:var(--ink-3);line-height:1.7}

/* =========================================================
   联系我们
   ========================================================= */
.section-contact{padding-bottom:104px}
.contact-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:44px;padding:52px;
  border-radius:26px;color:#fff;
  background:
    radial-gradient(700px 420px at 88% 0%,rgba(15,171,205,.34),transparent 62%),
    linear-gradient(150deg,#063160,#04203f);
  box-shadow:var(--shadow-lg);
}
.contact-main .kicker{color:#7dd7ee}
.contact-main h2 .hl{color:#7dd7ee}
.contact-main > p:not(.kicker){margin-top:16px;font-size:15.5px;line-height:1.9;color:rgba(220,236,250,.86)}
.contact-main .btn{margin-top:28px}
.contact-main .btn-primary{background:#fff;color:var(--brand-deep);box-shadow:0 10px 24px rgba(3,20,40,.35)}
.contact-main .btn-primary:hover{background:#f2f9ff}

.contact-list{display:grid;gap:12px;align-content:start}
.contact-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 20px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);
  transition:background .25s,transform .25s var(--ease);
}
.contact-list li:hover{background:rgba(255,255,255,.12);transform:translateX(3px)}
.ci{
  flex:none;width:38px;height:38px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(15,171,205,.2);color:#7dd7ee;
}
.ci .ic{width:19px;height:19px}
.contact-list b{display:block;font-size:13.5px;color:#fff;margin-bottom:2px}
.contact-list p{font-size:13.5px;color:rgba(206,227,244,.8);line-height:1.7}
.contact-list em{font-style:normal;font-size:11.5px;color:#7dd7ee;opacity:.9}

/* =========================================================
   页脚
   ========================================================= */
.site-footer{background:var(--brand-darker);color:rgba(206,227,244,.72);padding:60px 0 26px}
.footer-inner{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:40px;align-items:start}
.footer-logo{height:62px;width:auto;object-fit:contain;object-position:left center;margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9}
.footer-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.footer-nav b{display:block;font-size:14px;color:#fff;margin-bottom:12px}
.footer-nav a{display:block;font-size:13.5px;padding:5px 0;transition:color .2s,transform .2s var(--ease)}
.footer-nav a:hover{color:#7dd7ee;transform:translateX(3px)}
.footer-nav a.official{
  display:inline-flex;align-items:center;gap:6px;
  color:#7dd7ee;font-weight:700;
}
.footer-nav a.official .ic{width:14px;height:14px;stroke-width:1.9}
.footer-nav a.official:hover{color:#a9ecff}
.footer-note{
  display:flex;align-items:center;gap:12px;
  margin-top:40px;padding:16px 22px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  font-size:14px;line-height:1.7;color:rgba(226,240,252,.9);
}
.footer-note .ic{width:20px;height:20px;color:var(--cyan);stroke-width:1.6}
.footer-note em{font-style:normal;font-weight:700;color:#7dd7ee}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:rgba(180,206,229,.62);
}

/* 回到顶部 */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:50;
  width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line-2);background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s,visibility .3s,transform .3s var(--ease),background .2s,color .2s;
}
.to-top .ic{width:20px;height:20px;transform:rotate(-90deg);stroke-width:2}
.to-top.is-on{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand);color:#fff}

/* 演示提示弹窗 */
.modal{
  width:calc(100% - 40px);max-width:450px;
  padding:0;border:0;border-radius:24px;
  background:#fff;color:var(--ink);
  box-shadow:0 30px 80px rgba(4,32,63,.4);
}
.modal::backdrop{background:rgba(4,32,63,.58);backdrop-filter:blur(3px)}
.modal[open]{animation:modalIn .32s var(--ease)}
@keyframes modalIn{from{opacity:0;transform:translateY(16px) scale(.96)}to{opacity:1;transform:none}}
.modal-inner{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:36px 30px 28px;text-align:center;
}
.modal-ic{
  width:62px;height:62px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--cyan));
  color:#fff;box-shadow:0 12px 26px rgba(9,80,147,.32);
}
.modal-ic .ic{width:30px;height:30px;stroke-width:2.2}
.modal h3{font-size:20px;font-weight:800}
.modal p{font-size:15px;line-height:1.85;color:var(--ink-2)}
.modal .btn{margin-top:8px}
/* 不支持 <dialog> 时的兜底样式 */
.modal.is-fallback{
  position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);
  z-index:90;display:block;
}

/* =========================================================
   进场动画
   ========================================================= */
.js [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:2}
  .orbit{width:min(440px,100%)}
  .zone-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .work-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .overview-grid{grid-template-columns:1fr;gap:38px}
  .events-grid{grid-template-columns:1fr;gap:26px}
  .booking-grid{grid-template-columns:1fr;gap:26px}
  .contact-card{grid-template-columns:1fr;gap:32px;padding:42px}
  .footer-inner{grid-template-columns:1fr;gap:32px}
}

@media (max-width:900px){
  .wrap{padding:0 20px}
  .top-notice{left:13px;right:13px;max-width:none;padding:10px 50px 10px 18px;font-size:12.5px;gap:10px}
  .notice-ic{width:26px;height:26px}
  .notice-ic .ic{width:15px;height:15px}
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:14px 20px 22px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 32px rgba(9,63,118,.12);
    transform-origin:top;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s var(--ease),transform .25s var(--ease),visibility .25s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .main-nav > a{padding:13px 12px;font-size:15.5px;border-radius:10px}
  .main-nav > a::after{display:none}
  .main-nav > a.nav-cta{margin:8px 0 0;justify-content:center;padding:13px 16px}
  .hero{padding:56px 0 52px}
  .hero-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:44px}
  .hero-strip li{border-right:0;padding:4px 6px}
  .section{padding:70px 0}
  .section-head{margin-bottom:38px}
  .contact-card{padding:34px 24px;border-radius:20px}
}

@media (max-width:680px){
  body{font-size:15.5px}
  .top-notice{padding:12px 46px 12px 16px;font-size:12.5px;line-height:1.6}
  .top-notice p{padding-right:2px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px;margin-top:34px}
  .hero-stats dt{font-size:26px}
  .hero h1{font-size:clamp(26px,7vw,34px)}
  .lede{font-size:15.5px}
  .hero-actions .btn{flex:1;min-width:190px}
  .hero-visual{display:none}
  .hero-strip{grid-template-columns:1fr}
  .zone-grid,.steps,.work-grid,.feature-list{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr;gap:0}
  .timeline::before{left:58px}
  .timeline li{grid-template-columns:50px 1fr;gap:26px}
  .timeline li > div::before{left:-32px}
  .footer-nav{grid-template-columns:1fr 1fr;gap:20px}
  .footer-bottom{flex-direction:column;gap:6px}
  .to-top{right:16px;bottom:16px;width:44px;height:44px}
  .booking-form{padding:24px 20px}
  .equip-table{font-size:13.5px}
  .tab-list{padding:10px;gap:4px}
  .tab{padding:9px 14px;font-size:13.5px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .js [data-reveal]{opacity:1;transform:none}
}

@media print{
  .site-header,.to-top,.hero-visual,.hero-bg,.top-notice,.notice-veil{display:none}
  .hero{background:#fff;color:#000}
  body{color:#000}
}