/* ==========================================================================
   小小屠龙 · 冰雪复古 · 官网样式表
   设计契约见 /tmp/tulong-design-contract.md —— 所有字段统一从这里取
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root{
  --bg:#070B14; --bg-2:#0B1220; --surface:#101A2C; --surface-2:#16233A;
  --border:rgba(122,164,224,.16); --border-strong:rgba(140,196,255,.32);
  --pri:#4FC3F7; --pri-2:#8BE0FF; --pri-deep:#1B6EA8;
  --gold:#E9C77B; --gold-2:#F8E6AE; --gold-deep:#7A5A20;
  --text:#E9EFF8; --sub:#9FB2CC; --mute:#6C7E9B;
  --ok:#5BD98A; --warn:#F5C14E; --danger:#FF6B5A;

  --font-display:"Songti SC","STSong","Noto Serif SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","WenQuanYi Micro Hei",system-ui,sans-serif;

  --r-sm:6px; --r-md:10px; --r-lg:16px;
  --sh-sm:0 2px 8px rgba(0,0,0,.35);
  --sh-md:0 10px 30px rgba(0,0,0,.45);
  --sh-lg:0 24px 60px rgba(4,10,22,.6);
  --maxw:1200px; --header-h:64px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

/* ---------- 2. Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font-body); font-size:16px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 冰晶辉光 + 雪花噪点氛围（非纯色平涂） */
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(79,195,247,.16), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(233,199,123,.10), transparent 60%),
    radial-gradient(1100px 700px at 50% 108%, rgba(27,110,168,.20), transparent 66%),
    linear-gradient(180deg,#070B14 0%,#0A1120 45%,#070B14 100%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.32;
  background-image:
    radial-gradient(1.4px 1.4px at 18% 22%, rgba(255,255,255,.55), transparent),
    radial-gradient(1.2px 1.2px at 62% 14%, rgba(255,255,255,.4), transparent),
    radial-gradient(1.6px 1.6px at 82% 38%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.2px 1.2px at 34% 68%, rgba(255,255,255,.35), transparent),
    radial-gradient(1.4px 1.4px at 74% 82%, rgba(255,255,255,.45), transparent),
    radial-gradient(1.1px 1.1px at 8% 54%, rgba(255,255,255,.4), transparent);
  background-size:520px 520px,660px 660px,780px 780px,900px 900px,840px 840px,600px 600px;
  animation:snowDrift 52s linear infinite;
}
@keyframes snowDrift{from{background-position:0 0,0 0,0 0,0 0,0 0,0 0}to{background-position:0 520px,0 660px,0 780px,0 900px,0 840px,0 600px}}

img{max-width:100%; display:block; border:0}
a{color:inherit; text-decoration:none}
button{font:inherit; color:inherit; cursor:pointer}
ul,ol{margin:0; padding:0; list-style:none}
h1,h2,h3,h4{margin:0; font-family:var(--font-display); font-weight:700; line-height:1.28; letter-spacing:.01em}
p{margin:0}
:focus-visible{outline:2px solid var(--pri-2); outline-offset:2px; border-radius:4px}
::selection{background:rgba(79,195,247,.32)}

.ic{display:inline-block; vertical-align:-.14em; flex:none}

/* ---------- 3. Layout ---------- */
.container{width:100%; max-width:var(--maxw); margin:0 auto; padding:0 24px}
.section{padding:72px 0; position:relative}
.section + .section{border-top:1px solid var(--border)}
.section--tight{padding:48px 0}
.section-head{max-width:760px; margin:0 0 40px}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size:12px; letter-spacing:.22em;
  color:var(--gold); text-transform:uppercase; margin-bottom:12px;
}
.eyebrow::before{content:""; width:22px; height:1px; background:linear-gradient(90deg,transparent,var(--gold))}
.section-head.center .eyebrow{justify-content:center}
.section-head.center .eyebrow::before{background:linear-gradient(90deg,transparent,var(--gold),transparent); width:36px}
.section-title{font-size:32px; margin-bottom:12px}
.section-title .hl{color:var(--pri-2)}
.section-desc{color:var(--sub); font-size:15px}
.grid{display:grid; gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid; grid-template-columns:1.35fr .95fr; gap:32px; align-items:start}

/* ---------- 4. Header / Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50; height:var(--header-h);
  background:rgba(7,11,20,.82); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.site-header::after{
  content:""; position:absolute; left:0; right:0; bottom:-1px; height:1px;
  background:linear-gradient(90deg,transparent,rgba(233,199,123,.5),rgba(79,195,247,.5),transparent);
}
.nav-wrap{display:flex; align-items:center; gap:28px; height:var(--header-h)}
.brand{display:flex; align-items:center; gap:12px; flex:none}
.logo-mark{
  width:38px; height:38px; border-radius:9px; flex:none; overflow:hidden;
  display:grid; place-items:center;
  filter:drop-shadow(0 3px 10px rgba(79,195,247,.35));
}
.logo-mark img{width:100%; height:100%; object-fit:cover; display:block; border-radius:9px}
.logo-text{line-height:1.1}
.logo-text b{display:block; font-family:var(--font-display); font-size:19px; letter-spacing:.14em}
.logo-text span{display:block; font-size:12px; letter-spacing:.2em; color:var(--gold); margin-top:2px}
.nav-links{display:flex; align-items:center; gap:4px; margin-left:auto}
.nav-link{
  position:relative; padding:8px 14px; border-radius:var(--r-sm); font-size:14.5px; color:var(--sub);
  display:inline-flex; align-items:center; gap:7px; transition:color .2s var(--ease), background .2s var(--ease);
}
.nav-link:hover{color:var(--text); background:rgba(122,164,224,.1)}
.nav-link.is-active{color:var(--text)}
.nav-link.is-active::after{
  content:""; position:absolute; left:14px; right:14px; bottom:2px; height:2px;
  background:linear-gradient(90deg,var(--pri),var(--gold)); border-radius:2px;
}
.nav-cta{margin-left:8px}
.nav-toggle{
  display:none; margin-left:auto; width:40px; height:40px; border-radius:var(--r-sm);
  background:rgba(122,164,224,.1); border:1px solid var(--border); color:var(--text);
  align-items:center; justify-content:center;
}
.nav-drawer{
  position:fixed; inset:0; z-index:60; background:rgba(4,8,16,.96); backdrop-filter:blur(10px);
  display:none; flex-direction:column; padding:calc(var(--header-h) + 16px) 24px 24px;
}
.nav-drawer.is-open{display:flex}
.nav-drawer .nav-link{padding:14px 12px; font-size:17px; border-bottom:1px solid var(--border); border-radius:0}
.nav-drawer .nav-link.is-active::after{display:none}
.nav-drawer .nav-link.is-active{color:var(--pri-2)}
.drawer-close{position:absolute; top:14px; right:20px; width:40px; height:40px; display:grid; place-items:center;
  border-radius:var(--r-sm); background:rgba(122,164,224,.1); border:1px solid var(--border)}

/* ---------- 5. Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:42px; padding:0 20px; border-radius:var(--r-sm); border:1px solid transparent;
  font-size:14.5px; font-weight:600; letter-spacing:.04em; white-space:nowrap;
  transition:transform .18s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .2s;
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.45; cursor:not-allowed; transform:none}
.btn-primary{
  background:linear-gradient(135deg,#2E9FD6,#4FC3F7 55%,#8BE0FF); color:#04121F;
  box-shadow:0 6px 22px rgba(79,195,247,.28);
}
.btn-primary:hover{box-shadow:0 10px 30px rgba(79,195,247,.45)}
.btn-gold{
  background:linear-gradient(135deg,#B8853A,#E9C77B 52%,#F8E6AE); color:#231603;
  box-shadow:0 6px 22px rgba(233,199,123,.28);
}
.btn-gold:hover{box-shadow:0 10px 32px rgba(233,199,123,.46)}
.btn-ghost{
  background:rgba(122,164,224,.08); border-color:var(--border-strong); color:var(--text);
}
.btn-ghost:hover{background:rgba(122,164,224,.18); border-color:var(--pri)}
.btn-lg{height:52px; padding:0 30px; font-size:16px}
.btn-block{width:100%}

/* ---------- 6. Card / Panel / Tag ---------- */
.card{
  position:relative; background:linear-gradient(170deg,var(--surface),var(--bg-2));
  border:1px solid var(--border); border-radius:var(--r-md); padding:24px;
  transition:transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.card:hover{transform:translateY(-4px); border-color:var(--border-strong); box-shadow:var(--sh-md)}
/* 角标装饰：作为修饰类直接挂在 .card / .panel（自身已是 position:relative）上 */
.corner::before,.corner::after{
  content:""; position:absolute; width:12px; height:12px; border:1px solid var(--gold);
  opacity:.55; pointer-events:none; z-index:1;
}
.corner::before{top:-1px; left:-1px; border-right:0; border-bottom:0}
.corner::after{bottom:-1px; right:-1px; border-left:0; border-top:0}
.panel{
  position:relative; background:linear-gradient(175deg,rgba(22,35,58,.9),rgba(11,18,32,.94));
  border:1px solid var(--border); border-radius:var(--r-lg); padding:32px;
}
.panel+.panel{margin-top:24px}
.card-title{font-size:19px; margin-bottom:8px}
.card-text{color:var(--sub); font-size:14.5px}
.tag{
  display:inline-flex; align-items:center; gap:5px; height:24px; padding:0 10px;
  border-radius:4px; font-size:12px; letter-spacing:.06em; border:1px solid transparent; white-space:nowrap;
}
.tag-blue{color:var(--pri-2); background:rgba(79,195,247,.13); border-color:rgba(79,195,247,.32)}
.tag-gold{color:var(--gold-2); background:rgba(233,199,123,.13); border-color:rgba(233,199,123,.34)}
.tag-red{color:#FFB4AA; background:rgba(255,107,90,.14); border-color:rgba(255,107,90,.34)}
.tag-gray{color:var(--sub); background:rgba(122,164,224,.1); border-color:var(--border)}
.tag-ok{color:#9DF0B7; background:rgba(91,217,138,.13); border-color:rgba(91,217,138,.32)}
.divider{height:1px; background:linear-gradient(90deg,transparent,var(--border),transparent); margin:24px 0}
.kpi{font-family:var(--font-display); font-size:32px; color:var(--gold-2)}
.kpi-label{font-size:12px; color:var(--mute); letter-spacing:.16em}

/* ---------- 7. Hero ---------- */
.hero{position:relative; isolation:isolate; overflow:hidden; min-height:min(88vh,780px); display:flex; align-items:center; padding:72px 0 88px}
.hero-bg{position:absolute; inset:0; z-index:-1; background-size:cover; background-position:center}
.hero-bg--mobile{display:none}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,.94) 0%,rgba(7,11,20,.7) 46%,rgba(7,11,20,.35) 70%),
             linear-gradient(180deg,rgba(7,11,20,.2),rgba(7,11,20,.6) 58%,var(--bg) 100%);
}
/* .hero-inner 同时是 .container：水平内边距必须由 .container 提供，这里不得覆盖 */
.hero-inner{position:relative; width:100%; display:grid; grid-template-columns:1.5fr .8fr; gap:40px; align-items:center}
/* 主视觉文案整体按 80% 缩放（按钮命中区域仍保持 ≥44px，不受缩放影响） */
.hero-copy{max-width:512px}
.hero-badge{
  display:inline-flex; align-items:center; gap:8px; padding:5px 12px; border-radius:999px;
  background:rgba(233,199,123,.12); border:1px solid rgba(233,199,123,.34); color:var(--gold-2); font-size:12px; letter-spacing:.1em;
}
.wordmark{font-family:var(--font-display); font-size:clamp(35px,5.8vw,61px); line-height:1.06; letter-spacing:.06em; margin:16px 0 10px;
  background:linear-gradient(180deg,#FFFFFF 8%,#CFE6FB 45%,#8BE0FF 78%,#4A9FD0); -webkit-background-clip:text; background-clip:text; color:transparent;
  text-shadow:0 12px 46px rgba(79,195,247,.28);
}
.wordmark-sub{display:flex; align-items:center; gap:12px; margin-bottom:16px}
.wordmark-sub b{font-family:var(--font-display); font-size:15px; letter-spacing:.32em; color:var(--gold); font-weight:600}
.wordmark-sub i{flex:1; max-width:96px; height:1px; background:linear-gradient(90deg,var(--gold),transparent)}
.hero-slogan{font-size:14px; color:var(--sub); max-width:416px}
.hero-slogan strong{color:var(--text)}
.hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
.hero-actions .btn-lg{font-size:15px}
.hero-meta{display:flex; flex-wrap:wrap; gap:8px 18px; margin-top:20px; font-size:12px; color:var(--mute)}
.hero-meta span{display:inline-flex; align-items:center; gap:6px}
.hero-meta b{color:var(--text); font-family:var(--font-display); letter-spacing:.04em}
.hero-qr{
  justify-self:end; width:100%; max-width:280px; padding:20px; text-align:center;
  background:linear-gradient(170deg,rgba(22,35,58,.86),rgba(11,18,32,.9));
  border:1px solid var(--border-strong); border-radius:var(--r-lg); box-shadow:var(--sh-lg);
}
.hero-qr h4{font-size:15px; margin-bottom:14px; letter-spacing:.08em}
.qr-box{
  width:168px; height:168px; margin:0 auto; border-radius:var(--r-sm); overflow:hidden;
  background:#fff; padding:8px; position:relative;
}
.qr-box img{width:100%; height:100%; object-fit:cover; border-radius:4px}
.hero-qr p{font-size:12px; color:var(--mute); margin-top:12px}
.countdown{display:flex; gap:8px; justify-content:center; margin-top:16px}
.countdown div{min-width:46px; padding:6px 0; border-radius:var(--r-sm); background:rgba(7,11,20,.6); border:1px solid var(--border)}
.countdown b{display:block; font-family:var(--font-display); font-size:20px; color:var(--pri-2); line-height:1.1}
.countdown span{font-size:12px; color:var(--mute); letter-spacing:.1em}

/* ---------- 8. Stat strip ---------- */
.stat-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--border);
  border:1px solid var(--border); border-radius:var(--r-md); overflow:hidden; margin-top:-44px; position:relative; z-index:2}
.stat{padding:22px 20px; background:linear-gradient(170deg,rgba(16,26,44,.96),rgba(11,18,32,.96)); text-align:center}
.stat b{display:block; font-family:var(--font-display); font-size:30px; color:var(--pri-2); letter-spacing:.02em}
.stat span{font-size:12.5px; color:var(--mute); letter-spacing:.1em}

/* ---------- 9. Feature / Class cards ---------- */
/* 图标底框：可单独使用，也可放在卡片内 */
.f-icon{
  width:46px; height:46px; border-radius:12px; display:grid; place-items:center; margin-bottom:16px;
  background:linear-gradient(150deg,rgba(79,195,247,.2),rgba(27,110,168,.12)); border:1px solid rgba(79,195,247,.3); color:var(--pri-2);
}
.class-card{padding:0; overflow:hidden}
.class-art{position:relative; aspect-ratio:4/5; overflow:hidden; background:#0A1424}
.class-art img{width:100%; height:100%; object-fit:cover; object-position:top center; transition:transform .6s var(--ease)}
.class-card:hover .class-art img{transform:scale(1.05)}
.class-art::after{content:""; position:absolute; inset:0; background:linear-gradient(180deg,transparent 38%,rgba(7,11,20,.9))}
.class-role{position:absolute; left:16px; top:16px; z-index:1}
.class-name{position:absolute; left:20px; bottom:16px; z-index:1}
.class-name b{display:block; font-family:var(--font-display); font-size:26px; letter-spacing:.08em}
.class-name span{font-size:12.5px; color:var(--gold); letter-spacing:.2em}
.class-body{padding:20px 22px 24px}
.class-body p{font-size:14px; color:var(--sub); min-height:66px}
.stat-bar{margin-top:12px}
.stat-bar div{display:flex; justify-content:space-between; font-size:12px; color:var(--mute); margin-bottom:5px}
.stat-bar i{display:block; height:5px; border-radius:3px; background:rgba(122,164,224,.16); overflow:hidden}
.stat-bar i b{display:block; height:100%; border-radius:3px; background:linear-gradient(90deg,var(--pri-deep),var(--pri-2))}

/* ---------- 10. Screenshots ---------- */
.shot-stage{position:relative; border-radius:var(--r-lg); overflow:hidden; border:1px solid var(--border-strong); background:#0A1424; aspect-ratio:16/9}
.shot-stage img{width:100%; height:100%; object-fit:cover}
.shot-stage .shot-cap{
  position:absolute; left:0; right:0; bottom:0; padding:18px 22px; font-size:14px; color:var(--text);
  background:linear-gradient(180deg,transparent,rgba(7,11,20,.92));
}
.shot-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:16px}
.shot-thumb{border-radius:var(--r-sm); overflow:hidden; border:1px solid var(--border); aspect-ratio:16/10; cursor:pointer; opacity:.6; transition:opacity .25s,border-color .25s,transform .25s}
.shot-thumb img{width:100%; height:100%; object-fit:cover}
.shot-thumb:hover{opacity:.9; transform:translateY(-2px)}
.shot-thumb.is-active{opacity:1; border-color:var(--pri); box-shadow:0 0 0 1px var(--pri)}

/* ---------- 11. News / Activity ---------- */
.news-item{display:flex; gap:16px; align-items:flex-start; padding:16px 4px; border-bottom:1px dashed var(--border); transition:background .2s}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:rgba(122,164,224,.05)}
.news-date{flex:none; width:60px; text-align:center; padding-top:2px}
.news-date b{display:block; font-family:var(--font-display); font-size:20px; color:var(--pri-2)}
.news-date span{font-size:12px; color:var(--mute)}
.news-main{min-width:0; flex:1}
.news-main h4{font-size:15.5px; font-family:var(--font-body); font-weight:600; margin-bottom:4px;
  display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden}
.news-main p{font-size:13px; color:var(--mute); overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical}
.news-main .tag{margin-top:8px}
.act-card{padding:0; overflow:hidden}
.act-banner{position:relative; aspect-ratio:21/9; overflow:hidden; background:#0A1424}
.act-banner img{width:100%; height:100%; object-fit:cover}
.act-banner .tag{position:absolute; top:12px; left:12px}
.act-body{padding:18px 20px 22px}
.act-time{display:flex; align-items:center; gap:6px; font-size:12.5px; color:var(--gold); margin-top:6px}
.act-reward{display:flex; flex-wrap:wrap; gap:6px; margin-top:12px}

/* ---------- 12. Tabs ---------- */
.tabs{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:28px}
.tab{
  height:38px; padding:0 18px; border-radius:var(--r-sm); background:rgba(122,164,224,.07);
  border:1px solid var(--border); color:var(--sub); font-size:14px; display:inline-flex; align-items:center; gap:7px;
  transition:all .2s var(--ease);
}
.tab:hover{color:var(--text); border-color:var(--border-strong)}
.tab.is-active{background:linear-gradient(135deg,rgba(79,195,247,.22),rgba(233,199,123,.14)); color:#fff; border-color:var(--pri); box-shadow:0 0 0 1px rgba(79,195,247,.3)}
.tab-panel{display:none}
.tab-panel.is-active{display:block; animation:fadeUp .45s var(--ease)}

/* ---------- 13. Table / Steps / Accordion ---------- */
.table-wrap{overflow-x:auto; border:1px solid var(--border); border-radius:var(--r-md); background:rgba(11,18,32,.6)}
.data-table{width:100%; border-collapse:collapse; font-size:14px; min-width:520px}
.data-table th{
  text-align:left; padding:14px 18px; font-size:12.5px; letter-spacing:.1em; color:var(--gold);
  background:rgba(22,35,58,.8); border-bottom:1px solid var(--border); font-weight:600; white-space:nowrap;
}
.data-table td{padding:14px 18px; border-bottom:1px solid var(--border); color:var(--sub)}
.data-table tr:last-child td{border-bottom:0}
.data-table tr:hover td{background:rgba(122,164,224,.05); color:var(--text)}
.data-table td b{color:var(--text)}
.step-list{counter-reset:step; display:grid; gap:14px}
.step-list li{position:relative; padding-left:46px; color:var(--sub); font-size:14.5px}
.step-list li::before{
  counter-increment:step; content:counter(step); position:absolute; left:0; top:0;
  width:30px; height:30px; border-radius:50%; display:grid; place-items:center;
  background:rgba(79,195,247,.14); border:1px solid rgba(79,195,247,.34); color:var(--pri-2);
  font-family:var(--font-display); font-size:14px;
}
.step-list li b{color:var(--text); display:block; font-weight:600}
.accordion{border:1px solid var(--border); border-radius:var(--r-md); overflow:hidden; background:rgba(11,18,32,.5)}
.acc-item + .acc-item{border-top:1px solid var(--border)}
.acc-head{width:100%; display:flex; align-items:center; gap:12px; padding:16px 18px; background:none; border:0;
  text-align:left; font-size:15px; color:var(--text)}
.acc-head .ic{margin-left:auto; color:var(--sub); transition:transform .25s var(--ease)}
.acc-item.is-open .acc-head .ic{transform:rotate(180deg); color:var(--pri-2)}
.acc-body{display:none; padding:0 18px 18px; color:var(--sub); font-size:14px}
.acc-item.is-open .acc-body{display:block; animation:fadeUp .3s var(--ease)}

/* ---------- 14. Forms / Gift ---------- */
.field{display:block; margin-bottom:16px}
.field span{display:block; font-size:13px; color:var(--sub); margin-bottom:8px; letter-spacing:.04em}
.input{
  width:100%; height:48px; padding:0 16px; border-radius:var(--r-sm); color:var(--text);
  background:rgba(7,11,20,.72); border:1px solid var(--border-strong); font-size:15px; letter-spacing:.06em;
  transition:border-color .2s, box-shadow .2s;
}
.input::placeholder{color:var(--mute); letter-spacing:.02em}
.input:focus{outline:none; border-color:var(--pri); box-shadow:0 0 0 3px rgba(79,195,247,.16)}
.input.is-invalid{border-color:var(--danger); box-shadow:0 0 0 3px rgba(255,107,90,.14)}
.form-msg{display:none; align-items:center; gap:8px; margin-top:14px; padding:12px 14px; border-radius:var(--r-sm); font-size:13.5px}
.form-msg.show{display:flex}
.form-msg.ok{color:#9DF0B7; background:rgba(91,217,138,.1); border:1px solid rgba(91,217,138,.3)}
.form-msg.err{color:#FFB4AA; background:rgba(255,107,90,.1); border:1px solid rgba(255,107,90,.3)}
.welfare-item{display:flex; align-items:center; gap:16px; padding:18px; border:1px solid var(--border);
  border-radius:var(--r-md); background:rgba(11,18,32,.55); transition:border-color .25s, transform .25s}
.welfare-item:hover{border-color:var(--border-strong); transform:translateY(-2px)}
.welfare-item .w-icon{width:42px; height:42px; flex:none; border-radius:12px; display:grid; place-items:center;
  background:rgba(233,199,123,.12); border:1px solid rgba(233,199,123,.3); color:var(--gold-2)}
.welfare-item.done{opacity:.6}
.gift-preview{display:grid; gap:10px}
.gift-row{display:flex; align-items:center; gap:12px; padding:12px 14px; border-radius:var(--r-sm);
  background:rgba(122,164,224,.06); border:1px solid var(--border); font-size:14px}
.gift-row em{margin-left:auto; color:var(--gold-2); font-style:normal; font-family:var(--font-display)}

/* ---------- 15. Modal / Toast / Misc ---------- */
.modal{position:fixed; inset:0; z-index:80; display:none; align-items:center; justify-content:center; padding:24px}
.modal.is-open{display:flex}
.modal-mask{position:absolute; inset:0; background:rgba(3,6,12,.82); backdrop-filter:blur(6px)}
.modal-box{
  position:relative; z-index:1; width:100%; max-width:620px; max-height:86vh; overflow:auto;
  background:linear-gradient(175deg,var(--surface),var(--bg-2)); border:1px solid var(--border-strong);
  border-radius:var(--r-lg); padding:30px; box-shadow:var(--sh-lg); animation:fadeUp .32s var(--ease);
}
.modal-close{position:absolute; top:14px; right:14px; width:36px; height:36px; border-radius:50%;
  display:grid; place-items:center; background:rgba(122,164,224,.12); border:1px solid var(--border); color:var(--sub)}
.modal-close:hover{color:var(--text); border-color:var(--pri)}
#toastBox{position:fixed; z-index:90; left:50%; bottom:32px; transform:translateX(-50%); display:grid; gap:10px; justify-items:center}
.toast{
  display:flex; align-items:center; gap:9px; padding:12px 18px; border-radius:999px; font-size:14px;
  background:rgba(16,26,44,.96); border:1px solid var(--border-strong); color:var(--text); box-shadow:var(--sh-md);
  animation:fadeUp .3s var(--ease);
}
.toast.ok{border-color:rgba(91,217,138,.45)} .toast.err{border-color:rgba(255,107,90,.45)}
.to-top{
  position:fixed; right:22px; bottom:26px; z-index:40; width:44px; height:44px; border-radius:50%;
  display:none; place-items:center; background:rgba(16,26,44,.9); border:1px solid var(--border-strong);
  color:var(--pri-2); box-shadow:var(--sh-md);
}
.to-top.show{display:grid}
.to-top:hover{border-color:var(--pri); box-shadow:0 0 0 1px var(--pri), var(--sh-md)}
.skeleton{background:linear-gradient(90deg,rgba(122,164,224,.08),rgba(122,164,224,.18),rgba(122,164,224,.08));
  background-size:200% 100%; animation:shimmer 1.2s linear infinite; border-radius:var(--r-sm)}
.sk-line{height:14px; margin-bottom:10px}
.sk-line.w40{width:40%} .sk-line.w70{width:70%} .sk-line.w90{width:90%}
.sk-block{height:180px; margin-bottom:16px}
.empty{text-align:center; padding:48px 20px; color:var(--mute)}
.empty .ic{margin-bottom:12px; color:var(--mute)}
.badge{display:inline-grid; place-items:center; min-width:18px; height:18px; padding:0 5px; border-radius:9px;
  background:var(--danger); color:#2A0A06; font-size:11px; font-weight:700}

/* ---------- 16. Footer ---------- */
.site-footer{border-top:1px solid var(--border); background:linear-gradient(180deg,rgba(11,18,32,.7),rgba(7,11,20,.98)); margin-top:24px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.4fr; gap:32px; padding:56px 0 32px}
.footer-col h4{font-size:14px; letter-spacing:.14em; color:var(--gold); margin-bottom:16px}
.foot-links{display:grid; gap:10px}
.foot-links a,.foot-links span{font-size:13.5px; color:var(--sub); transition:color .2s}
.foot-links a:hover{color:var(--pri-2)}
.foot-brand p{font-size:13.5px; color:var(--mute); margin-top:14px; max-width:290px}
.foot-social{display:flex; gap:10px; margin-top:16px}
.foot-social a{width:36px; height:36px; border-radius:var(--r-sm); display:grid; place-items:center;
  background:rgba(122,164,224,.08); border:1px solid var(--border); color:var(--sub); transition:all .2s}
.foot-social a:hover{color:var(--pri-2); border-color:var(--pri); transform:translateY(-2px)}
.compliance{border-top:1px solid var(--border); padding:22px 0 30px; font-size:12.5px; color:var(--mute); line-height:1.9}
.compliance .row{display:flex; flex-wrap:wrap; gap:6px 18px; margin-bottom:8px}
.compliance strong{color:var(--sub); font-weight:600}
.compliance .warn-text{color:var(--gold); letter-spacing:.02em}
.copyright{display:flex; flex-wrap:wrap; gap:8px 18px; align-items:center; justify-content:space-between; margin-top:14px}

/* ---------- 17. Motion ---------- */
.reveal{opacity:0; transform:translateY(22px)}
.reveal.is-in{animation:rise .7s var(--ease) forwards; animation-delay:var(--d,0ms)}
@keyframes rise{to{opacity:1; transform:none}}
@keyframes fadeUp{from{opacity:0; transform:translateY(12px)}to{opacity:1; transform:none}}
@keyframes shimmer{from{background-position:200% 0}to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important}
  .reveal{opacity:1; transform:none}
}

/* ---------- 18. Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .hero-inner{grid-template-columns:1fr; gap:32px}
  .hero-qr{justify-self:start; max-width:320px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr; gap:28px}
  .split{grid-template-columns:1fr}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:44px 0}
  .section-title{font-size:24px}
  .section-head{margin-bottom:28px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .grid{gap:16px}
  .stat-strip{grid-template-columns:repeat(2,1fr); margin-top:-24px}
  .shot-strip{grid-template-columns:repeat(2,1fr)}
  .panel{padding:20px}
  .card{padding:20px}
  .hero{min-height:auto; padding:36px 0 48px}
  .hero-bg--desktop{display:none}
  .hero-bg--mobile{display:block}
  .hero-bg::after{background:linear-gradient(180deg,rgba(7,11,20,.58),rgba(7,11,20,.84) 52%,var(--bg) 100%)}
  .hero-qr{max-width:none; width:100%; padding:18px}
  .qr-box{width:136px; height:136px}
  .wordmark{letter-spacing:.04em}
  .wordmark-sub b{font-size:15px; letter-spacing:.28em}
  .hero-meta{gap:8px 16px}
  /* 移动端正文与标题可读性：公告标题允许两行 */
  .news-main h4{-webkit-line-clamp:2}
  .news-main{min-width:0}
  .to-top{right:14px; bottom:18px}
  .modal{padding:12px}
  .modal-box{padding:20px}
  .footer-grid{padding:40px 0 24px}
  /* 触控目标（不依赖 pointer:coarse 检测，宽度断点兜底） */
  .foot-links{gap:0}
  .foot-links a{padding:11px 0}
  .brand{min-height:44px}
  .foot-social a{width:44px; height:44px}
  .drawer-close{width:44px; height:44px}
}
/* 触屏：页脚文字链接与品牌链接补足命中高度 */
@media (pointer:coarse){
  .foot-links{gap:0}
  .foot-links a{padding:11px 0}
  .brand{min-height:44px}
  .compliance a{display:inline-block; padding:6px 0}
}
@media (max-width:480px){
  .grid-4{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
}

/* ---------- 18.1 触屏：命中区域 ≥44px ---------- */
@media (pointer:coarse){
  .btn{height:46px; padding:0 22px}
  .btn-lg{height:50px}
  .tab{height:44px}
  .nav-toggle{width:44px; height:44px}
  .modal-close{width:44px; height:44px}
  .drawer-close{width:44px; height:44px}
  .foot-social a{width:44px; height:44px}
  .acc-head{padding:18px}
  .nav-drawer .nav-link{padding:16px 12px}
}
@media (max-width:768px){
  .btn{height:46px}
  .tab{height:44px}
  .nav-toggle{width:44px; height:44px}
  .acc-head{padding:18px}
  .nav-drawer .nav-link{padding:16px 12px}
}

/* ---------- 18.2 抽屉：整屏覆盖、可滚动、避开安全区 ---------- */
.nav-drawer{
  overflow-y:auto; -webkit-overflow-scrolling:touch;
  padding:calc(var(--header-h) + 20px) 20px calc(28px + env(safe-area-inset-bottom, 0px));
  overscroll-behavior:contain;
}
.nav-drawer .nav-link{font-size:17px}
@media (max-width:480px){ .nav-drawer{padding-left:16px; padding-right:16px} }

/* ---------- 18.3 小屏表格 → 卡片（每行一张卡，列名走 data-label） ---------- */
@media (max-width:640px){
  .table-wrap{overflow:visible; border:0; background:none; border-radius:0}
  .data-table{min-width:0; display:block; font-size:14px}
  .data-table thead{display:none}
  .data-table tbody{display:block}
  .data-table tr{
    display:block; margin-bottom:12px; padding:8px 4px;
    border:1px solid var(--border); border-radius:var(--r-md); background:rgba(11,18,32,.6);
  }
  .data-table td{
    display:flex; align-items:baseline; gap:12px; width:100%;
    padding:9px 14px; border-bottom:1px dashed var(--border);
  }
  .data-table td:last-child{border-bottom:0}
  /* 首列作为卡片标题 */
  .data-table td:first-child{
    display:block; font-weight:700; color:var(--text); font-size:15px;
    border-bottom:1px solid var(--border); padding-bottom:10px; margin-bottom:4px;
  }
  /* 其余列以「列名 + 值」两栏呈现 */
  .data-table td[data-label]:not([data-label=""])::before{
    content:attr(data-label); flex:none; width:88px;
    color:var(--gold); font-size:12.5px; letter-spacing:.06em;
  }
  .data-table td b{color:var(--text)}
}

@supports(padding:env(safe-area-inset-bottom)){
  .site-footer{padding-bottom:env(safe-area-inset-bottom)}
  #toastBox{bottom:calc(32px + env(safe-area-inset-bottom))}
}