:root{
  --bg0:#070a14;
  --bg1:#0b1020;
  --card:rgba(255,255,255,.08);
  --card2:rgba(255,255,255,.06);
  --stroke:rgba(255,255,255,.14);
  --text:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --shadow2: 0 10px 40px rgba(0,0,0,.35);
  --r:18px;
  --r2:24px;
  --font:'Noto Sans SC', system-ui, -apple-system, Segoe UI, sans-serif;
  --a1:#6fffd8;
  --a2:#8a5bff;
  --a3:#ff4fd8;
  --a4:#ffd15c;
  --primary: linear-gradient(135deg, rgba(111,255,216,.92), rgba(138,91,255,.92) 55%, rgba(255,79,216,.92));
  --primary-solid:#8a5bff;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background: radial-gradient(1200px 900px at 20% 10%, rgba(138,91,255,.22), transparent 50%),
              radial-gradient(900px 700px at 80% 30%, rgba(111,255,216,.16), transparent 55%),
              radial-gradient(900px 700px at 40% 90%, rgba(255,79,216,.14), transparent 55%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  color:var(--text);
  overflow-x:hidden;
}
body.menu-open{overflow:hidden}

a{color:inherit}
img{display:block;max-width:100%}

.container{
  width:min(1120px, 100%);
  margin:0 auto;
  padding:0 22px;
  padding-left:max(22px, env(safe-area-inset-left));
  padding-right:max(22px, env(safe-area-inset-right));
}

.muted{color:var(--muted)}
.w-full{width:100%}

/* ===== 背景层 ===== */
.bg{position:fixed; inset:0; z-index:-1; pointer-events:none}
.bg-grid{
  position:absolute; inset:-20%;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 62px 62px;
  transform:rotate(-8deg);
  opacity:.28;
  filter: blur(.2px);
}
.bg-aurora{
  position:absolute;
  width: 70vmax;
  height: 70vmax;
  border-radius: 999px;
  filter: blur(40px);
  opacity:.55;
  mix-blend-mode: screen;
  animation: drift 18s ease-in-out infinite;
}
.bg-aurora.a1{left:-18vmax; top:-18vmax; background: radial-gradient(circle at 30% 30%, rgba(111,255,216,.85), transparent 55%)}
.bg-aurora.a2{right:-22vmax; top:10vmax; background: radial-gradient(circle at 40% 35%, rgba(138,91,255,.78), transparent 60%); animation-duration:22s}
.bg-aurora.a3{left:10vmax; bottom:-26vmax; background: radial-gradient(circle at 40% 50%, rgba(255,79,216,.65), transparent 60%); animation-duration:26s}
.bg-noise{
  position:absolute; inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E");
  opacity:.22;
}
@keyframes drift{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  45%{transform:translate3d(6vmax, -3vmax,0) scale(1.05)}
  75%{transform:translate3d(-5vmax, 4vmax,0) scale(1.02)}
}

/* ===== 玻璃卡片通用 ===== */
.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(14px);
}

/* ===== 顶部栏 ===== */
.topbar{
  position:sticky;
  top:0;
  z-index:50;
  background: rgba(7,10,20,.55);
  border-bottom: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(16px);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 0;
}
.brand{
  display:flex;
  gap:12px;
  align-items:center;
  text-decoration:none;
  min-width: 220px;
}
.brand-mark{
  width:42px;
  height:42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  font-weight:800;
  letter-spacing:.5px;
  background: var(--primary);
  box-shadow: 0 18px 45px rgba(138,91,255,.28);
}
.brand-mark-sm{width:34px;height:34px;border-radius:12px}
.brand-text{display:flex; flex-direction:column; line-height:1.1}
.brand-name{font-weight:700}
.brand-sub{font-size:.88rem; color:var(--muted)}

.nav{display:flex; gap:18px; align-items:center}
.nav-link{
  text-decoration:none;
  color: rgba(234,240,255,.86);
  font-weight:600;
  font-size:.98rem;
  padding:10px 10px;
  border-radius: 12px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.nav-link:hover{
  background: rgba(255,255,255,.08);
  transform: translateY(-1px);
}

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

.btn{
  border:1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  padding: 10px 14px;
  font-weight:700;
  font-size:.95rem;
  text-decoration:none;
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{transform: translateY(-1px); box-shadow: 0 14px 40px rgba(0,0,0,.35); border-color: rgba(255,255,255,.22)}
.btn:active{transform: translateY(0)}
.btn-primary{
  border-color: rgba(255,255,255,.22);
  background: var(--primary);
}
.btn-ghost{
  background: rgba(255,255,255,.04);
}
.btn-link{
  background: transparent;
  border: none;
  padding: 0;
  cursor:pointer;
}

.icon-btn{
  width:44px;height:44px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  display:grid;
  place-items:center;
  cursor:pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.icon-btn:hover{transform: translateY(-1px); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.22)}
.icon-bars{
  width:18px;height:12px; display:block; position:relative;
}
.icon-bars::before,.icon-bars::after, .icon-bars{
  background: transparent;
}
.icon-bars::before,.icon-bars::after{
  content:"";
  position:absolute;
  left:0; right:0;
  height:2px;
  border-radius: 10px;
  background: rgba(234,240,255,.88);
}
.icon-bars::before{top:0; box-shadow: 0 5px 0 rgba(234,240,255,.88), 0 10px 0 rgba(234,240,255,.88)}
.icon-x{
  width:18px;height:18px; position:relative; display:block;
}
.icon-x::before,.icon-x::after{
  content:"";
  position:absolute; inset:0;
  margin:auto;
  width:18px;height:2px;
  border-radius: 10px;
  background: rgba(234,240,255,.88);
}
.icon-x::before{transform: rotate(45deg)}
.icon-x::after{transform: rotate(-45deg)}

/* ===== 抽屉菜单 ===== */
.drawer-overlay{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.45);
  opacity:0;
  pointer-events:none;
  transition: opacity .22s ease;
  z-index:60;
}
.drawer{
  position:fixed;
  top:0; right:-340px;
  width:min(340px, 88vw);
  height:100dvh;
  z-index:61;
  padding: 16px 16px 18px;
  background: rgba(11,16,32,.72);
  border-left: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(16px);
  transition: right .25s ease;
}
.drawer-head{display:flex; align-items:center; justify-content:space-between; padding: 6px 4px 14px}
.drawer-title{font-weight:800; letter-spacing:.3px}
.drawer-nav{display:flex; flex-direction:column; gap:10px}
.drawer-link{
  text-decoration:none;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  font-weight:700;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.drawer-link:hover{transform: translateY(-1px); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.20)}
.drawer-foot{margin-top:16px}
.menu-open .drawer-overlay{opacity:1; pointer-events:auto}
.menu-open .drawer{right:0}

/* ===== 主体/首屏 ===== */
.main{padding-bottom: 64px}
.hero{
  position:relative;
  padding: 64px 0 34px;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items:center;
}
.kicker{display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 14px}
.pill{
  font-size:.86rem;
  font-weight:800;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
}
.hero-title{
  font-size: clamp(2.1rem, 3.8vw, 3.2rem);
  line-height: 1.05;
  margin: 0 0 12px;
  letter-spacing: .2px;
}
.hero-subtitle{
  margin:0;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-cta{display:flex; gap:12px; margin-top: 18px; flex-wrap:wrap}
.hero-metrics{
  margin-top: 22px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
}
.metric{
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.metric-num{font-weight:900; font-size: 1.15rem}
.metric-label{color:var(--muted); font-size: .9rem; margin-top:2px}

.hero-showcase{position:relative}
.showcase-card{
  border-radius: var(--r2);
  overflow:hidden;
  box-shadow: var(--shadow);
}
.showcase-head{
  display:flex; align-items:center; gap:8px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}
.dot{width:10px;height:10px;border-radius:999px}
.dot-r{background: rgba(255,79,216,.9)}
.dot-y{background: rgba(255,209,92,.95)}
.dot-g{background: rgba(111,255,216,.85)}
.showcase-title{margin-left: 6px; font-weight:800; color: rgba(234,240,255,.9)}
.showcase-body{padding: 14px}
.tile{
  display:flex; align-items:center; gap:12px;
  padding: 12px 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.tile + .tile{margin-top: 10px}
.tile-icon{
  width:44px;height:44px;
  border-radius: 16px;
  display:grid;
  place-items:center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  font-weight:900;
}
.tile-text{flex:1}
.tile-title{font-weight:900}
.tile-sub{color:var(--muted); font-size:.9rem; margin-top:2px}
.chip{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(234,240,255,.92);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight:800;
  cursor:pointer;
  text-decoration:none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.chip:hover{transform: translateY(-1px); background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.22)}
.chip-link{display:inline-block}
.showcase-glow{
  position:absolute;
  inset:-25px;
  background: radial-gradient(circle at 20% 20%, rgba(111,255,216,.25), transparent 55%),
              radial-gradient(circle at 70% 40%, rgba(138,91,255,.25), transparent 60%),
              radial-gradient(circle at 40% 80%, rgba(255,79,216,.18), transparent 60%);
  filter: blur(22px);
  z-index:-1;
}

.scroll-hint{
  width: fit-content;
  margin: 30px auto 0;
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color: rgba(234,240,255,.82);
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.10);
}
.scroll-dot{
  width:10px;height:10px;border-radius:999px;
  background: rgba(255,255,255,.8);
  box-shadow: 0 0 0 0 rgba(255,255,255,.35);
  animation: pulse 1.4s ease-in-out infinite;
}
@keyframes pulse{
  0%{box-shadow: 0 0 0 0 rgba(255,255,255,.35)}
  70%{box-shadow: 0 0 0 10px rgba(255,255,255,0)}
  100%{box-shadow: 0 0 0 0 rgba(255,255,255,0)}
}

/* ===== 通用板块 ===== */
.section{padding: 64px 0}
.section-alt{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.section-head{display:flex; flex-direction:column; gap:8px; margin-bottom: 20px}
.section-title{margin:0; font-size: 1.7rem; letter-spacing:.2px}
.section-desc{margin:0; color: var(--muted)}

.card-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card{
  border-radius: var(--r2);
  overflow:hidden;
}
.card-media{position:relative; aspect-ratio: 4/3; overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover; transform: scale(1.02); filter: saturate(1.05) contrast(1.02)}
.card-badge{
  position:absolute;
  left: 14px; top: 14px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(7,10,20,.55);
  border: 1px solid rgba(255,255,255,.16);
  font-weight:900;
  letter-spacing:.4px;
}
.card-body{padding: 14px 14px 16px}
.card-title{margin: 2px 0 6px; font-size: 1.15rem}
.card-text{margin:0; color:var(--muted)}
.card-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px}

/* ===== 动漫 split ===== */
.split{
  display:grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 16px;
  align-items:stretch;
}
.feature{
  border-radius: var(--r2);
  overflow:hidden;
  display:grid;
  grid-template-columns: 1.1fr .9fr;
}
.feature-media{min-height: 320px}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-body{padding: 18px}
.feature-kicker{
  display:inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  font-weight:900;
  margin-bottom: 10px;
}
.feature-title{margin:0 0 8px; font-size: 1.35rem}
.feature-text{margin:0; color: var(--muted)}
.feature-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top: 14px}
.mini-grid{display:grid; grid-template-rows: 1fr 1fr; gap: 16px}
.mini{
  border-radius: var(--r2);
  padding: 16px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.mini-top{display:flex; align-items:center; justify-content:space-between; gap:10px}
.mini-title{font-weight:900; font-size: 1.1rem}
.mini-tag{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: rgba(234,240,255,.86);
  font-weight:800;
  font-size: .85rem;
}
.mini-text{margin: 10px 0 14px; color: var(--muted)}

/* ===== 时间线赛事 ===== */
.timeline{
  border-radius: var(--r2);
  padding: 16px;
}
.timeline-head{display:flex; align-items:baseline; justify-content:space-between; gap:12px; margin-bottom: 12px}
.timeline-title{font-weight:900; font-size: 1.15rem}
.timeline-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px}
.timeline-item{
  display:grid;
  grid-template-columns: 84px 1fr auto;
  align-items:center;
  gap: 12px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.time{display:flex; flex-direction:column; align-items:flex-start; line-height:1}
.time-day{font-weight:1000; font-size: 1.6rem}
.time-mon{color: var(--muted); margin-top: 6px; font-weight:800; font-size: .9rem}
.time-title{font-weight:900}
.time-sub{margin-top: 4px; font-size: .92rem}

/* ===== 关于我们 ===== */
.about{display:grid; grid-template-columns: 1.15fr .85fr; gap: 16px; align-items:stretch}
.about-card{border-radius: var(--r2); padding: 18px}
.about-title{margin:0 0 10px; font-size: 1.35rem}
.about-text{margin: 0 0 10px; color: var(--muted)}
.stats{
  margin-top: 14px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.stat{
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.stat-num{font-weight:1000}
.stat-label{color: var(--muted); margin-top: 2px; font-size: .9rem}
.about-actions{display:flex; gap:10px; flex-wrap:wrap; margin-top: 14px}
.about-media{
  border-radius: var(--r2);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.about-media img{width:100%;height:100%;object-fit:cover; flex:1}
.about-media-caption{
  padding: 14px;
  border-top: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.05);
}
.cap-title{font-weight:900}
.cap-sub{margin-top: 4px}

/* ===== 页脚 ===== */
.footer{
  border-top: 1px solid rgba(255,255,255,.10);
  background: rgba(7,10,20,.55);
  backdrop-filter: blur(14px);
}
.footer-inner{
  padding: 18px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
  flex-wrap:wrap;
}
.footer-brand{display:flex; align-items:center; gap:12px}
.footer-name{font-weight:900}
.footer-right{display:flex; gap:14px; align-items:center; flex-wrap:wrap}
.footer-link{
  text-decoration:none;
  color: rgba(234,240,255,.86);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}
.footer-link:hover{background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18)}
.footer-bottom{padding: 0 0 18px}

/* ===== reveal 动画 ===== */
.reveal{
  opacity:0;
  transform: translateY(14px);
}
.reveal.is-in{
  opacity:1;
  transform: translateY(0);
  transition: opacity .6s ease, transform .6s ease;
}

/* ===== toast ===== */
.toast{
  position:fixed;
  left:50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(20px);
  z-index: 90;
  padding: 12px 14px;
  border-radius: 16px;
  color: rgba(234,240,255,.96);
  background: rgba(11,16,32,.78);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow2);
  opacity:0;
  pointer-events:none;
  transition: opacity .18s ease, transform .18s ease;
  max-width: min(560px, calc(100vw - 28px));
  text-align:center;
  font-weight:700;
}
.toast.show{
  opacity:1;
  transform: translateX(-50%) translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 980px){
  .hero-inner{grid-template-columns: 1fr; gap: 18px}
  .brand{min-width: 0}
  .nav{display:none}
  .card-grid{grid-template-columns: 1fr; gap: 14px}
  .split{grid-template-columns: 1fr; gap: 14px}
  .feature{grid-template-columns: 1fr}
  .feature-media{min-height: 240px}
  .mini-grid{grid-template-rows:auto}
  .about{grid-template-columns: 1fr; gap: 14px}
  .timeline-item{grid-template-columns: 84px 1fr; grid-auto-flow:row; }
  .timeline-item .btn{grid-column: 1 / -1; justify-self: start}
}

@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto !important}
  .bg-aurora{animation:none}
  .scroll-dot{animation:none}
  .btn,.nav-link,.drawer-link,.chip{transition:none}
}
/* ===== 变量与基础样式 - 橙黄暖色系 ===== */
:root {
  --orange: #FF9F43;
  --orange-light: #FFEAA7;
  --orange-mid: #F39C12;
  --orange-dark: #E67E22;
  --orange-deep: #D35400;
  --cream: #FFF8F0;
  --white: #FFFFFF;
  --gray-50: #FFFBF5;
  --gray-100: #FEF5EB;
  --gray-200: #F5E6D3;
  --gray-600: #6B5B4F;
  --gray-800: #2C2419;
  --shadow-sm: 0 1px 3px rgba(230, 126, 34, 0.08);
  --shadow-md: 0 4px 16px rgba(230, 126, 34, 0.12);
  --shadow-lg: 0 12px 40px rgba(230, 126, 34, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 防止锚点跳转被固定导航遮挡 */
section[id]{
  scroll-margin-top: 92px;
}

body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}

/* ===== 导航栏 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--orange-deep);
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--orange);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-menu a {
  text-decoration: none;
  color: var(--gray-800);
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-menu a:hover {
  color: var(--orange-deep);
}

.btn-login {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  border: none;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-menu {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: transform 0.2s;
}

.btn-menu .menu-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 1px;
  transition: transform 0.3s, opacity 0.3s;
}

.btn-menu.active .menu-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.btn-menu.active .menu-line:nth-child(2) {
  opacity: 0;
}

.btn-menu.active .menu-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.menu-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.menu-drawer {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  max-width: 85vw;
  height: 100%;
  height: 100dvh;
  background: var(--white);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  padding: 80px 24px 24px;
  padding-top: max(80px, calc(env(safe-area-inset-top) + 60px));
  transition: right 0.3s ease;
  overflow-y: auto;
}

.menu-drawer.open {
  right: 0;
}

.menu-drawer-list {
  list-style: none;
}

.menu-drawer-list li {
  border-bottom: 1px solid var(--gray-200);
}

.menu-drawer-list a {
  display: block;
  padding: 16px 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gray-800);
  text-decoration: none;
  transition: color 0.2s;
}

.menu-drawer-list a:hover,
.menu-drawer-list a:active {
  color: var(--orange-deep);
}

.btn-login-drawer {
  display: block;
  width: 100%;
  margin-top: 24px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dark));
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

/* ===== 首屏 Banner ===== */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--orange-light) 0%, #FFB347 25%, var(--orange) 50%, var(--orange-dark) 85%, #D35400 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cloud {
  position: absolute;
  background: rgba(255, 248, 240, 0.75);
  border-radius: 100px;
  animation: float 20s ease-in-out infinite;
}

.cloud-1 {
  width: 120px;
  height: 40px;
  top: 15%;
  left: 10%;
  animation-delay: 0s;
}

.cloud-2 {
  width: 80px;
  height: 30px;
  top: 25%;
  right: 15%;
  animation-delay: -5s;
}

.cloud-3 {
  width: 100px;
  height: 35px;
  bottom: 30%;
  left: 25%;
  animation-delay: -10s;
}

.cloud::before,
.cloud::after {
  content: '';
  position: absolute;
  background: inherit;
  border-radius: 50%;
}

.cloud::before {
  width: 50px;
  height: 50px;
  top: -25px;
  left: 15px;
}

.cloud::after {
  width: 40px;
  height: 40px;
  top: -20px;
  right: 20px;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(20px, -10px); }
  50% { transform: translate(-10px, 10px); }
  75% { transform: translate(-20px, -5px); }
}

.sound-wave {
  position: absolute;
  width: 4px;
  background: rgba(255, 250, 240, 0.5);
  border-radius: 2px;
  animation: wave 3s ease-in-out infinite;
}

.wave-1 { left: 20%; top: 40%; height: 60px; animation-delay: 0s; }
.wave-2 { left: 25%; top: 50%; height: 80px; animation-delay: 0.5s; }
.wave-3 { left: 30%; top: 45%; height: 50px; animation-delay: 1s; }
.wave-4 { left: 70%; top: 35%; height: 70px; animation-delay: 0.2s; }
.wave-5 { left: 75%; top: 45%; height: 55px; animation-delay: 0.7s; }
.wave-6 { left: 80%; top: 40%; height: 65px; animation-delay: 1.2s; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.5); opacity: 0.5; }
  50% { transform: scaleY(1); opacity: 1; }
}

.ribbon {
  position: absolute;
  width: 80px;
  height: 6px;
  background: rgba(255, 248, 235, 0.6);
  border-radius: 3px;
  animation: ribbon 8s ease-in-out infinite;
}

.ribbon-1 {
  top: 20%;
  right: 20%;
  transform: rotate(-15deg);
  animation-delay: 0s;
}

.ribbon-2 {
  bottom: 25%;
  left: 15%;
  transform: rotate(10deg);
  animation-delay: -4s;
}

@keyframes ribbon {
  0%, 100% { transform: rotate(-15deg) translateX(0); opacity: 0.6; }
  50% { transform: rotate(-15deg) translateX(15px); opacity: 1; }
}

.ribbon-2 {
  animation-name: ribbon2;
}

@keyframes ribbon2 {
  0%, 100% { transform: rotate(10deg) translateX(0); opacity: 0.6; }
  50% { transform: rotate(10deg) translateX(-15px); opacity: 1; }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: var(--white);
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
  animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeInUp 1s ease-out 0.2s both;
}

.btn-explore {
  display: inline-block;
  padding: 16px 40px;
  background: var(--white);
  color: var(--orange-deep);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.2s, box-shadow 0.2s;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-explore:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(230, 126, 34, 0.35);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  animation: fadeIn 1s ease-out 0.8s both;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes bounce {
  0%, 100% { transform: rotate(45deg) translateY(0); }
  50% { transform: rotate(45deg) translateY(8px); }
}

/* ===== 通用内容区块 ===== */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--orange-deep);
  text-align: center;
  margin-bottom: 8px;
}

.section-desc {
  text-align: center;
  color: var(--gray-600);
  margin-bottom: 48px;
}

/* ===== 音乐板块 ===== */
.section-music {
  background: var(--white);
}

.music-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.music-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
}

.music-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-cover {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.music-card:hover .card-cover img {
  transform: scale(1.08);
}

.play-btn {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
  background: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, background 0.2s;
}

.play-btn svg {
  width: 24px;
  height: 24px;
  color: var(--orange-deep);
  margin-left: 4px;
}

.play-btn:hover {
  transform: scale(1.1);
  background: var(--orange-light);
}

.music-card h3 {
  padding: 16px 20px 4px;
  font-size: 1.1rem;
  color: var(--gray-800);
}

.music-card p {
  padding: 0 20px 20px;
  font-size: 0.9rem;
  color: var(--gray-600);
}

/* ===== 动漫板块 ===== */
.section-anime {
  background: linear-gradient(180deg, var(--cream) 0%, var(--gray-100) 50%, var(--white) 100%);
}

.anime-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}

.anime-card-large {
  grid-column: 1;
  grid-row: 1 / -1;
}

.anime-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s;
}

.anime-card:hover {
  transform: scale(1.02);
}

.anime-img {
  aspect-ratio: 16/10;
  overflow: hidden;
}

.anime-card-large .anime-img {
  aspect-ratio: auto;
  height: 100%;
  min-height: 400px;
}

.anime-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.anime-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  color: var(--white);
}

.anime-overlay h3 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.anime-overlay p {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* ===== 比赛板块 ===== */
.section-competition {
  background: var(--white);
}

.competition-wrapper {
  max-width: 700px;
  margin: 0 auto;
}

.competition-calendar {
  background: linear-gradient(135deg, var(--orange-light), var(--orange));
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.calendar-header {
  padding: 24px;
  background: var(--orange-deep);
  color: var(--white);
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
}

.event-list {
  list-style: none;
  padding: 24px;
}

.event-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius);
  margin-bottom: 16px;
  transition: transform 0.2s;
}

.event-item:last-child {
  margin-bottom: 0;
}

.event-item:hover {
  transform: translateX(4px);
}

.event-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px;
  background: var(--orange);
  border-radius: var(--radius);
  color: var(--white);
}

.event-date .day {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.event-date .month {
  font-size: 0.8rem;
  opacity: 0.9;
}

.event-info h4 {
  font-size: 1rem;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.event-info p {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.btn-join {
  padding: 10px 20px;
  background: var(--orange-deep);
  color: var(--white);
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.2s;
}

.btn-join:hover {
  background: var(--gray-800);
  transform: scale(1.05);
}

/* ===== 关于我们 ===== */
.section-about {
  background: var(--gray-50);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.5rem;
  color: var(--orange-deep);
  margin-bottom: 16px;
}

.about-text p {
  color: var(--gray-600);
  margin-bottom: 16px;
}

.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--orange-deep);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

.about-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 页脚 ===== */
.footer {
  background: var(--orange-deep);
  color: var(--white);
  padding: 48px 0 24px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 600;
}

.footer-brand .logo-icon {
  font-size: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--white);
  transition: background 0.2s, transform 0.2s;
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

.footer-copyright {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ===== H5 手机端响应式 ===== */
@media (max-width: 768px) {
  .nav {
    padding: 12px 16px;
    padding-left: max(16px, env(safe-area-inset-left));
  }

  .nav-menu {
    display: none;
  }

  .btn-menu {
    display: flex;
  }

  .btn-login {
    display: none;
  }

  .menu-overlay {
    display: block;
  }

  .menu-drawer {
    display: flex;
    flex-direction: column;
  }

  .logo-text {
    font-size: 1.1rem;
  }

  /* Hero 手机端 */
  .hero {
    min-height: 100svh;
    padding: 60px 16px 80px;
  }

  .hero-content {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 1.75rem;
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .hero-subtitle {
    font-size: 0.95rem;
    margin-bottom: 24px;
    line-height: 1.5;
  }

  .btn-explore {
    padding: 14px 32px;
    font-size: 1rem;
    min-height: 48px;
  }

  .hero-scroll {
    bottom: 24px;
    font-size: 0.8rem;
  }

  /* 背景元素手机端简化 */
  .cloud-2,
  .cloud-3 {
    display: none;
  }

  .cloud-1 {
    width: 80px;
    height: 28px;
  }

  .sound-wave {
    width: 3px;
  }

  .wave-1, .wave-2, .wave-3 {
    left: 15%;
    height: 40px;
  }

  .wave-4, .wave-5, .wave-6 {
    left: 82%;
    height: 45px;
  }

  /* 通用区块 */
  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 1.5rem;
    margin-bottom: 6px;
  }

  .section-desc {
    font-size: 0.9rem;
    margin-bottom: 32px;
  }

  .container {
    padding: 0 16px;
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  /* 音乐板块 */
  .music-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .music-card h3 {
    padding: 12px 16px 4px;
    font-size: 1rem;
  }

  .music-card p {
    padding: 0 16px 16px;
    font-size: 0.85rem;
  }

  .play-btn {
    width: 44px;
    height: 44px;
    bottom: 12px;
    right: 12px;
  }

  .play-btn svg {
    width: 20px;
    height: 20px;
  }

  /* 动漫板块 */
  .anime-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 16px;
  }

  .anime-card-large {
    grid-column: 1;
    grid-row: auto;
  }

  .anime-card-large .anime-img {
    min-height: 200px;
    aspect-ratio: 16/10;
  }

  .anime-img {
    aspect-ratio: 16/10;
  }

  .anime-overlay {
    padding: 16px;
  }

  .anime-overlay h3 {
    font-size: 1.1rem;
  }

  .anime-overlay p {
    font-size: 0.85rem;
  }

  /* 比赛板块 */
  .event-list {
    padding: 16px;
  }

  .event-item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
    text-align: center;
  }

  .event-date {
    flex-direction: row;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
  }

  .event-date .day {
    font-size: 1.25rem;
  }

  .event-info h4 {
    font-size: 0.95rem;
  }

  .event-info p {
    font-size: 0.8rem;
  }

  .btn-join {
    padding: 12px 24px;
    font-size: 0.9rem;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* 关于我们 */
  .about-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-text h3 {
    font-size: 1.25rem;
  }

  .about-text p {
    font-size: 0.9rem;
  }

  .about-stats {
    flex-direction: row;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
  }

  .stat-num {
    font-size: 1.5rem;
  }

  .stat-label {
    font-size: 0.8rem;
  }

  .about-visual {
    min-height: 200px;
  }

  /* 页脚 */
  .footer {
    padding: 32px 0 24px;
    padding-bottom: max(24px, env(safe-area-inset-bottom));
  }

  .footer-inner {
    gap: 20px;
  }

  .footer-brand {
    font-size: 1.1rem;
  }

  .footer-social a {
    width: 44px;
    height: 44px;
  }

  .footer-social svg {
    width: 22px;
    height: 22px;
  }

  .footer-copyright {
    font-size: 0.8rem;
  }
}

/* 小屏手机优化 (375px 及以下) */
@media (max-width: 375px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .section-title {
    font-size: 1.35rem;
  }

  .event-item {
    padding: 12px;
  }

  .about-stats {
    flex-direction: column;
    align-items: center;
  }
}