/* ==========================================================================
   阿信传奇共创 · 官网样式 v2
   主题：20 米全满 / 暗黑金 / 单页滚动 / 简洁克制
   ========================================================================== */

:root{
  --bg-0:#08070c;
  --bg-1:#0d0c13;
  --panel:#121120;
  --panel-2:#0e0d15;
  --line:rgba(216,171,77,.14);
  --line-2:rgba(216,171,77,.34);
  --gold:#d8ab4d;
  --gold-2:#f0cd7b;
  --txt:#e9e3d6;
  --txt-dim:#a49b88;
  --txt-mute:#77705f;
  --wrap:1180px;
  --hdr-h:66px;
  --r:14px;
  --font:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);background:var(--bg-0);color:var(--txt);
  line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.25}
p{margin:0}
button{font-family:inherit}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}

/* ---------- 金色渐变字 ---------- */
.gold-text{
  background:linear-gradient(180deg,#fff6d8 0%,#f4d68c 32%,#d8ab4d 58%,#a3701c 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  filter:drop-shadow(0 2px 10px rgba(0,0,0,.5));
}
@supports not ((-webkit-background-clip:text) or (background-clip:text)){
  .gold-text{color:var(--gold-2);background:none}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:9px;font-size:15px;font-weight:700;
  letter-spacing:.04em;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
}
.btn--gold{
  background:linear-gradient(180deg,#f7dc98 0%,#d8ab4d 54%,#a9761f 100%);
  color:#2b1c04;border-color:rgba(255,240,200,.45);
  box-shadow:0 6px 20px rgba(216,171,77,.24),inset 0 1px 0 rgba(255,255,255,.5);
}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(216,171,77,.4),inset 0 1px 0 rgba(255,255,255,.6)}
.btn--ghost{background:rgba(216,171,77,.05);color:var(--gold-2);border-color:var(--line-2)}
.btn--ghost:hover{background:rgba(216,171,77,.14);transform:translateY(-2px)}
.btn--lg{padding:14px 30px;font-size:16px}
.btn:active{transform:translateY(0)}

/* ---------- 顶部公告条 ---------- */
.notice{
  background:linear-gradient(90deg,#161005,#241a09 48%,#161005);
  border-bottom:1px solid var(--line);font-size:13px;position:relative;z-index:60;
}
.notice__inner{max-width:var(--wrap);margin:0 auto;padding:7px 46px 7px 22px;display:flex;align-items:center;gap:12px}
.notice__tag{
  flex:none;background:linear-gradient(180deg,#e8c268,#a9761f);color:#2b1c04;
  font-weight:800;font-size:11px;padding:2px 8px;border-radius:4px;letter-spacing:.12em;
}
.notice__roll{position:relative;height:22px;overflow:hidden;flex:1;min-width:0}
.notice__roll span{
  position:absolute;inset:0;opacity:0;transform:translateY(100%);
  transition:opacity .5s ease,transform .5s ease;color:var(--txt-dim);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.notice__roll span.is-on{opacity:1;transform:translateY(0)}
.notice__close{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:none;border:0;color:var(--txt-mute);font-size:19px;line-height:1;
  cursor:pointer;padding:2px 6px;transition:color .2s;
}
.notice__close:hover{color:var(--gold-2)}
.notice.is-hidden{display:none}

/* ---------- 导航 ---------- */
.hdr{
  position:sticky;top:0;z-index:50;
  background:rgba(8,7,12,.6);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:background .3s,border-color .3s,box-shadow .3s;
}
.hdr.is-scrolled{background:rgba(6,5,10,.94);border-bottom-color:var(--line);box-shadow:0 8px 30px rgba(0,0,0,.55)}
.hdr__in{display:flex;align-items:center;gap:20px;height:var(--hdr-h)}

.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:9px;
  background:linear-gradient(160deg,#2a2110,#0d0b12);border:1px solid var(--line-2);
  color:var(--gold-2);font-weight:800;font-size:17px;
}
.logo__txt{display:flex;align-items:baseline;gap:4px;font-size:16px}
.logo__txt b{letter-spacing:.06em}
.logo__txt i{font-style:normal;font-size:11px;color:var(--gold);border:1px solid var(--line-2);border-radius:3px;padding:0 4px}

.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav a{
  position:relative;padding:8px 14px;font-size:14.5px;color:var(--txt-dim);border-radius:8px;
  transition:color .2s,background .2s;
}
.nav a:hover{color:var(--gold-2);background:rgba(216,171,77,.06)}
.nav a.is-active{color:var(--gold-2)}
.nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.hdr__cta{margin-left:8px;flex:none}

.burger{
  display:none;width:40px;height:34px;flex-direction:column;justify-content:center;gap:5px;
  background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer;padding:0 9px;
}
.burger span{display:block;height:1.5px;background:var(--gold-2);border-radius:2px;transition:.25s}
.burger.is-on span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger.is-on span:nth-child(2){opacity:0}
.burger.is-on span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;min-height:calc(100vh - var(--hdr-h) - 40px);min-height:calc(100svh - var(--hdr-h) - 40px);
  display:flex;align-items:center;overflow:hidden;
}
.hero__bg{
  position:absolute;inset:-6% 0 0 0;
  background:url("hero-bg.jpg") center 22% / cover no-repeat;
  transform:scale(1.06);will-change:transform;
  transition:transform .6s cubic-bezier(.2,.7,.3,1);
}
.hero__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(112% 88% at 16% 46%,rgba(7,6,10,.95) 0%,rgba(7,6,10,.74) 38%,rgba(7,6,10,.32) 68%,rgba(7,6,10,.62) 100%),
    linear-gradient(180deg,rgba(7,6,10,.86) 0%,rgba(7,6,10,.24) 30%,rgba(7,6,10,.6) 80%,var(--bg-0) 100%);
}
.hero__embers{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero__embers i{
  position:absolute;bottom:-20px;width:3px;height:3px;border-radius:50%;
  background:radial-gradient(circle,#ffe6a8,rgba(216,171,77,0) 70%);
  box-shadow:0 0 8px rgba(255,214,130,.85);
  animation:ember linear infinite;opacity:0;
}
@keyframes ember{
  0%{transform:translateY(0) scale(.6);opacity:0}
  12%{opacity:.9}
  70%{opacity:.7}
  100%{transform:translateY(-105vh) scale(1.15);opacity:0}
}
.hero__embers i:nth-child(1){left:6%;animation-duration:11s}
.hero__embers i:nth-child(2){left:14%;animation-duration:14s;animation-delay:1.2s}
.hero__embers i:nth-child(3){left:22%;animation-duration:9.5s;animation-delay:2.6s}
.hero__embers i:nth-child(4){left:31%;animation-duration:13s;animation-delay:.6s}
.hero__embers i:nth-child(5){left:39%;animation-duration:12s;animation-delay:3.4s}
.hero__embers i:nth-child(6){left:47%;animation-duration:10.5s;animation-delay:1.8s}
.hero__embers i:nth-child(7){left:55%;animation-duration:15s;animation-delay:.3s}
.hero__embers i:nth-child(8){left:63%;animation-duration:11.5s;animation-delay:2.2s}
.hero__embers i:nth-child(9){left:71%;animation-duration:13.5s;animation-delay:4.1s}
.hero__embers i:nth-child(10){left:79%;animation-duration:9s;animation-delay:1.5s}
.hero__embers i:nth-child(11){left:86%;animation-duration:14.5s;animation-delay:2.9s}
.hero__embers i:nth-child(12){left:93%;animation-duration:12.5s;animation-delay:.9s}
.hero__embers i:nth-child(13){left:10%;animation-duration:16s;animation-delay:5s}
.hero__embers i:nth-child(14){left:35%;animation-duration:17s;animation-delay:6.2s}
.hero__embers i:nth-child(15){left:58%;animation-duration:15.5s;animation-delay:5.6s}
.hero__embers i:nth-child(16){left:68%;animation-duration:18s;animation-delay:7.4s}
.hero__embers i:nth-child(17){left:44%;animation-duration:16.5s;animation-delay:8.1s}
.hero__embers i:nth-child(18){left:82%;animation-duration:19s;animation-delay:6.9s}

/* 垂直位置调节：.hero 是 align-items:center，所以内容位置 = 视口中心 + (上内边距 - 下内边距)/2。
   把「下内边距」压得比「上内边距」大多少，整块内容就往上提多少（差值的一半）。
   现在 10 / 130 → 比原来 38 / 88 上提了 35px。想再上提就加大 130、想下移就加大 10。 */
.hero__in{
  position:relative;z-index:3;padding-top:10px;padding-bottom:130px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:54px;
}
.hero__main{min-width:0}
.hero__kick{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;letter-spacing:.2em;color:var(--gold);
  border:1px solid var(--line);background:rgba(216,171,77,.05);
  padding:5px 14px;border-radius:100px;margin-bottom:18px;
}
.hero__kick .dot{width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold)}
.hero__title{font-size:clamp(28px,4.4vw,50px);letter-spacing:.14em;margin-bottom:4px}

/* 20 米全满 —— 视觉主角 */
.price{display:flex;align-items:center;gap:13px;margin:14px 0 16px;flex-wrap:wrap}
.price__tag{
  font-size:clamp(25px,3.9vw,42px);font-weight:900;letter-spacing:.02em;line-height:1.1;
  padding:5px 20px 8px;border-radius:13px;
  background:linear-gradient(180deg,#f9e2a6 0%,#d8ab4d 56%,#a9761f 100%);
  color:#2b1c04;box-shadow:0 12px 34px rgba(216,171,77,.26),inset 0 1px 0 rgba(255,255,255,.5);
}
.price__txt{font-size:clamp(30px,4.6vw,50px);font-weight:900;letter-spacing:.1em}

.hero__sub{color:#efe6cd;font-size:clamp(14px,1.7vw,17px);letter-spacing:.04em;margin-bottom:26px}
.hero__acts{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:26px}
.hero__tags{display:flex;gap:9px;flex-wrap:wrap}
.hero__tags li{
  font-size:12.5px;color:var(--txt-dim);
  border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.025);
  padding:4px 12px;border-radius:6px;
}
.hero__tags li::before{content:"◆";color:var(--gold);margin-right:6px;font-size:8px;vertical-align:middle}

.hero__qr .qr-card{width:min(290px,100%)}
.hero__qr .qr-card::after{
  content:"";position:absolute;inset:-12px;border-radius:20px;pointer-events:none;
  box-shadow:0 0 0 1px rgba(216,171,77,.14),0 0 44px rgba(216,171,77,.18);
  animation:qrGlow 3.6s ease-in-out infinite;
}
@keyframes qrGlow{0%,100%{opacity:.5}50%{opacity:1}}

.hero__scroll{
  position:absolute;left:50%;bottom:24px;transform:translateX(-50%);z-index:4;
  width:22px;height:36px;border:1px solid var(--line-2);border-radius:12px;
}
.hero__scroll span{
  position:absolute;left:50%;top:7px;width:3px;height:7px;border-radius:2px;
  background:var(--gold);transform:translateX(-50%);
  animation:scrolldot 1.7s ease-in-out infinite;
}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}30%{opacity:1}100%{opacity:0;transform:translate(-50%,13px)}}

/* ---------- 二维码卡片 ---------- */
.qr-card{
  position:relative;width:min(300px,100%);margin:0 auto;padding:18px 18px 16px;
  text-align:center;border-radius:var(--r);
  background:linear-gradient(170deg,#17151f,#0c0b12);
  border:1px solid var(--line-2);
  box-shadow:0 20px 46px rgba(0,0,0,.55);
}
.qr-card img{width:100%;border-radius:8px;background:#f5f0e4}
.qr-card__cap{margin-top:12px;font-size:14.5px;font-weight:700;color:#f6e7bd;letter-spacing:.06em}
.qr-card__sub{font-size:12.5px;color:var(--gold);letter-spacing:.1em;margin-top:3px}

/* ---------- 通用 section ---------- */
.sec{padding:86px 0;position:relative}
.sec--alt{background:#0b0a10;border-top:1px solid rgba(216,171,77,.08);border-bottom:1px solid rgba(216,171,77,.08)}
.sec--alt::before{
  content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;
  background:url("section-bg.jpg") center/cover no-repeat;
}
.sec--alt > .wrap{position:relative;z-index:1}
section[id]{scroll-margin-top:calc(var(--hdr-h) + 8px)}
#servers{padding-top:56px}

.sec-head{text-align:center;margin-bottom:48px}
.sec-kick{font-size:11.5px;letter-spacing:.36em;color:var(--gold);opacity:.78;margin-bottom:12px}
.sec-title{font-size:clamp(24px,3.1vw,36px);letter-spacing:.12em}
.sec-sub{color:var(--txt-dim);font-size:14.5px;margin-top:12px}

/* ---------- 区服卡片 ---------- */
.srv-grid{display:grid;grid-template-columns:1fr;gap:20px}
.srv{
  position:relative;padding:24px 24px 20px;border-radius:var(--r);
  background:linear-gradient(180deg,#131120,#0d0c14);
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s,box-shadow .25s;
}
.srv:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 18px 42px rgba(0,0,0,.5)}
.srv__badge{
  position:absolute;top:14px;right:14px;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;
  padding:3px 10px;border-radius:100px;
}
.srv__badge--hot{background:linear-gradient(180deg,#f0cd7b,#c8973a);color:#2b1c04}
.srv__badge--free{background:rgba(89,196,132,.14);color:#86ddaa;border:1px solid rgba(89,196,132,.3)}
.srv__badge--soon{background:rgba(255,255,255,.055);color:var(--txt-mute);border:1px solid rgba(255,255,255,.1)}
.srv__name{font-size:20px;letter-spacing:.03em;padding-right:66px}
.srv__name em{
  font-style:normal;font-size:11.5px;font-weight:600;color:var(--gold);
  background:rgba(216,171,77,.1);border:1px solid var(--line-2);
  padding:2px 8px;border-radius:5px;margin-left:9px;vertical-align:middle;
}
/* 副标题 + 推荐星级同一行：左边一句说明，右边几颗星 */
.srv__head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:8px}
.srv__line{color:var(--txt-mute);font-size:13px;min-width:0}
.srv__rate{
  display:flex;align-items:center;gap:6px;flex:none;
  font-size:12.5px;color:var(--txt-mute);letter-spacing:.06em;
}
.srv__rate .stars{font-size:14px;letter-spacing:2px;line-height:1;white-space:nowrap}
.srv__rate .stars b{color:#f0c96a;font-weight:400;text-shadow:0 0 8px rgba(240,201,106,.55)}
.srv__rate .stars i{color:rgba(255,255,255,.16);font-style:normal}
.srv__rate .rate-pending{color:var(--gold);opacity:.78;letter-spacing:.02em}
.srv__feats{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 20px}
.srv__feats li{
  font-size:12.5px;color:var(--txt-dim);
  border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.025);
  padding:4px 11px;border-radius:6px;
}
.srv__acts{display:flex;gap:10px}
.srv__acts .btn{flex:1 1 0;min-width:0;padding:11px 10px;font-size:14.5px}
.srv--soon{opacity:.86}
.srv--soon:hover{opacity:1}

.pledge{
  margin-top:26px;text-align:center;font-size:14px;color:var(--txt-dim);
  border:1px solid var(--line);border-radius:var(--r);
  background:rgba(216,171,77,.035);padding:16px 22px;
}
.pledge b{color:var(--gold-2);margin-right:10px}

/* ---------- 开区时间 ---------- */
.times{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.time{
  text-align:center;padding:30px 16px 26px;border-radius:var(--r);
  background:linear-gradient(180deg,#131120,#0d0c14);
  border:1px solid var(--line);
  transition:transform .25s,border-color .25s;
}
.time:hover{transform:translateY(-3px);border-color:var(--line-2)}
.time b{
  display:block;font-size:clamp(26px,3.6vw,38px);font-weight:900;letter-spacing:.02em;
  background:linear-gradient(180deg,#fff6d8,#f4d68c 36%,#d8ab4d 62%,#a3701c 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.time span{display:block;font-size:12.5px;color:var(--gold);letter-spacing:.22em;margin-top:6px}
.time em{display:block;font-style:normal;font-size:13px;color:var(--txt-mute);margin-top:12px}
.times__tip{text-align:center;color:var(--txt-mute);font-size:13px;margin-top:22px}

/* ---------- 本服特色 ---------- */
.feat-grid{display:grid;grid-template-columns:1fr;gap:18px}
.feat{
  padding:24px 24px 22px;border-radius:var(--r);
  background:rgba(255,255,255,.022);
  border:1px solid rgba(255,255,255,.06);
  transition:border-color .25s,background .25s;
}
.feat:hover{border-color:var(--line-2);background:rgba(216,171,77,.045)}
.feat b{display:block;font-size:16.5px;color:#f6e7bd;letter-spacing:.04em;margin-bottom:9px}
.feat b::before{content:"◆";color:var(--gold);font-size:9px;margin-right:9px;vertical-align:middle}
.feat p{color:var(--txt-dim);font-size:13.5px;line-height:1.8}

/* ---------- 进群 ---------- */
.sec--join{background:#0b0a10;border-top:1px solid rgba(216,171,77,.08)}
.join{display:grid;grid-template-columns:1fr;gap:38px;align-items:center}
.join__txt .sec-title{text-align:left}
.join__txt .sec-kick{text-align:left}
.join__desc{color:var(--txt-dim);font-size:14.5px;margin:16px 0 22px}
.join__list{display:flex;flex-direction:column;gap:12px}
.join__list li{
  display:flex;gap:14px;align-items:baseline;
  border-left:2px solid var(--line-2);padding-left:14px;
}
.join__list b{flex:none;color:#f6e7bd;font-size:14.5px;min-width:76px}
.join__list span{color:var(--txt-dim);font-size:13.5px}

/* ---------- 页脚 ---------- */
.ft{background:#060509;border-top:1px solid var(--line);padding:46px 0 26px}
.ft__in{display:flex;flex-wrap:wrap;gap:26px;justify-content:space-between;align-items:flex-start}
.ft__brand{display:flex;flex-direction:column;gap:6px}
.ft__brand .logo__mark{margin-bottom:4px}
.ft__brand b{font-size:18px;letter-spacing:.06em}
.ft__brand p{color:var(--txt-mute);font-size:13.5px}
.ft__nav{display:flex;flex-wrap:wrap;gap:16px 26px;font-size:14px}
.ft__nav a{color:var(--txt-dim);transition:color .2s}
.ft__nav a:hover{color:var(--gold-2)}
.ft__copy{
  margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.06);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  color:var(--txt-mute);font-size:12.5px;
}
.ft__note{opacity:.72}

/* ---------- 回到顶部 ---------- */
.totop{
  position:fixed;right:22px;bottom:26px;z-index:45;width:44px;height:44px;
  border-radius:50%;cursor:pointer;font-size:18px;color:#2b1c04;
  background:linear-gradient(180deg,#f0cd7b,#b3801f);border:1px solid rgba(255,240,200,.4);
  box-shadow:0 8px 24px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s,visibility .3s,transform .3s;
}
.totop.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.totop:hover{transform:translateY(-3px)}

/* ---------- 浮层 ---------- */
.modal{
  position:fixed;inset:0;z-index:80;display:none;place-items:center;padding:22px;
  background:rgba(4,3,6,.82);backdrop-filter:blur(4px);
}
.modal.is-on{display:grid}
.modal__box{
  width:min(420px,100%);padding:28px 26px;border-radius:var(--r);text-align:center;
  background:linear-gradient(170deg,#1a1824,#0d0c13);border:1px solid var(--line-2);
  box-shadow:0 26px 60px rgba(0,0,0,.7);
}
.modal__box h5{font-size:18px;color:#f6e7bd;letter-spacing:.06em;margin-bottom:12px}
.modal__box p{color:var(--txt-dim);font-size:14px;line-height:1.9;margin-bottom:20px}
.modal__box code{background:rgba(216,171,77,.12);border-radius:4px;padding:1px 6px;color:var(--gold-2);font-size:13px}

/* ---------- 入场动画（隐藏态挂在 html.js 下，JS 没跑也不会白屏） ---------- */
html.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
html.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:760px){
  .srv-grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:980px){
  .srv-grid{grid-template-columns:repeat(3,1fr)}
  .feat-grid{grid-template-columns:repeat(3,1fr)}
  .join{grid-template-columns:1.3fr .7fr;gap:54px}
  .sec--join .join{grid-template-columns:1.3fr .7fr}
}

@media (max-width:900px){
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 14px 16px;
    background:rgba(7,6,11,.98);border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(0,0,0,.6);
    transform:translateY(-14px);opacity:0;visibility:hidden;transition:.28s ease;
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav a{padding:13px 12px;border-bottom:1px solid rgba(255,255,255,.05);border-radius:0}
  .nav a:last-child{border-bottom:0}
  .nav a.is-active::after{display:none}
  .burger{display:flex}
  .hdr__cta{display:none}
  .sec{padding:64px 0}
  /* 首屏改单栏：二维码紧跟按钮，仍在一屏内 */
  .hero__in{
    grid-template-columns:1fr;gap:30px;padding-top:10px;padding-bottom:88px;
    justify-items:center;text-align:center;
  }
  .hero__main{width:100%}
  .hero__acts{justify-content:center}
  .hero__tags{justify-content:center}
  .price{justify-content:center}
  .hero__qr .qr-card{width:min(236px,62vw)}
  .join__txt .sec-title,.join__txt .sec-kick{text-align:center}
  .join__desc{text-align:center}
}

@media (max-width:620px){
  .wrap{padding:0 16px}
  .notice__roll{font-size:12px}
  .ft__in{flex-direction:column}
  /* 手机首屏：标题 + 20米全满 + 按钮 + 二维码，一屏放得下 */
  .hero__in{padding-top:8px;padding-bottom:92px;gap:20px}
  .hero__kick{font-size:11.5px;letter-spacing:.16em;padding:4px 12px;margin-bottom:12px}
  .hero__kick .dot{display:none}
  .hero__title{font-size:clamp(26px,8vw,38px);letter-spacing:.08em;margin-bottom:0}
  .price{gap:10px;margin:8px 0 10px}
  .price__tag{font-size:clamp(22px,7.4vw,32px);padding:4px 14px 6px;border-radius:11px}
  .price__txt{font-size:clamp(24px,7.6vw,34px)}
  .hero__sub{font-size:13px;margin-bottom:18px}
  .hero__acts{margin-bottom:0;gap:10px;flex-wrap:nowrap}
  .hero__acts .btn{flex:1 1 0;min-width:0;padding:12px 8px;font-size:14.5px}
  .hero__tags{display:none}
  .hero__qr .qr-card{width:min(182px,50vw);padding:12px 12px 10px}
  .qr-card__cap{margin-top:9px;font-size:13.5px}
  .qr-card__sub{font-size:11.5px}
  .hero__scroll{display:none}
  /* 板块 */
  .sec-head{margin-bottom:34px}
  .srv__acts{flex-direction:column}
  .srv__head{gap:10px}
  .srv__line{font-size:12.5px}
  .srv__rate{font-size:12px;gap:5px}
  .srv__rate .stars{font-size:13px;letter-spacing:1.5px}
  .times{grid-template-columns:repeat(3,1fr);gap:10px}
  .time{padding:20px 8px 18px}
  .time span{letter-spacing:.1em;font-size:11.5px}
  .time em{font-size:11.5px;margin-top:8px}
  .join__list li{flex-direction:column;gap:2px}
  .join__list b{min-width:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  html.js .reveal{opacity:1 !important;transform:none !important}
}