/* ========== RESET & TOKENS ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#05060f;
  --panel:rgba(14,18,44,.62);
  --line:rgba(130,160,255,.16);
  --cyan:#00e0ff;
  --blue:#3d7bff;
  --violet:#8f6bff;
  --pink:#ff2bd6;
  --gold:#ffc94d;
  --text:#eaefff;
  --dim:#8a96bd;
  --ok:#3dffb0;
  --grad-rainbow:linear-gradient(90deg,#00e0ff,#3d7bff,#8f6bff,#ff2bd6,#ffc94d,#00e0ff);
  --grad-main:linear-gradient(100deg,#00e0ff 0%,#3d7bff 55%,#8f6bff 100%);
  --font-disp:'Orbitron','Bahnschrift','Segoe UI','Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  --font-body:'Noto Sans SC','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --r:14px;
}

html{scroll-behavior:smooth}
body{
  background:var(--bg);
  font-family:var(--font-body);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
::selection{background:rgba(255,43,214,.3);color:#fff}

/* ========== 背景层（花里胡哨） ========== */
.bg-grid{
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(0,224,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(143,107,255,.04) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(ellipse 75% 70% at 50% 0%,#000 10%,transparent 80%);
  mask-image:radial-gradient(ellipse 75% 70% at 50% 0%,#000 10%,transparent 80%);
}
.au{
  position:fixed;border-radius:50%;pointer-events:none;z-index:0;
  filter:blur(50px);
  animation:auDrift 18s ease-in-out infinite alternate;
}
.au-1{width:46vw;height:46vw;top:-12vw;left:-8vw;background:radial-gradient(circle,rgba(0,224,255,.30),transparent 65%)}
.au-2{width:42vw;height:42vw;top:22vh;right:-12vw;background:radial-gradient(circle,rgba(255,43,214,.24),transparent 65%);animation-delay:-5s}
.au-3{width:38vw;height:38vw;bottom:-10vw;left:18vw;background:radial-gradient(circle,rgba(143,107,255,.26),transparent 65%);animation-delay:-10s}
.au-4{width:24vw;height:24vw;top:58vh;left:-6vw;background:radial-gradient(circle,rgba(255,201,77,.16),transparent 65%);animation-delay:-14s}
@keyframes auDrift{
  0%{transform:translate(0,0) scale(1)}
  50%{transform:translate(4vw,-3vh) scale(1.12)}
  100%{transform:translate(-3vw,4vh) scale(.94)}
}
.noise{
  position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
#stars{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}

.page{position:relative;z-index:2;max-width:1060px;margin:0 auto;padding:0 24px 56px}

/* ========== 顶栏 ========== */
.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:13px 0;margin-bottom:6px;
  background:rgba(5,6,15,.80);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;min-height:44px}
.brand-mark{
  width:40px;height:40px;flex-shrink:0;display:grid;place-items:center;
  filter:drop-shadow(0 0 10px rgba(0,224,255,.45));
}
.brand-mark svg{width:40px;height:40px}
.brand-name{font-family:var(--font-disp);font-weight:800;font-size:19px;letter-spacing:2px;color:#fff;line-height:1.2}
.brand-name em{
  font-style:normal;background:var(--grad-rainbow);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradShift 6s linear infinite;
}
.brand-sub{display:block;font-size:9.5px;letter-spacing:4px;color:var(--dim);margin-top:2px}
@keyframes gradShift{0%{background-position:0% 50%}100%{background-position:220% 50%}}

.nav{display:flex;gap:4px}
.nav a{
  color:var(--dim);text-decoration:none;font-size:13.5px;letter-spacing:1px;
  padding:7px 14px;border-radius:8px;transition:all .25s;
}
.nav a:hover{color:var(--cyan);background:rgba(0,224,255,.08);text-shadow:0 0 12px rgba(0,224,255,.5)}
.top-right{display:flex;align-items:center;gap:12px}
.sys-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:pulse 1.6s ease-in-out infinite}
.clock{font-family:var(--font-disp);font-size:13px;letter-spacing:2px;color:var(--cyan);text-shadow:0 0 10px rgba(0,224,255,.4);white-space:nowrap}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* ========== HERO ========== */
.hero{
  position:relative;text-align:center;padding:52px 0 40px;overflow:hidden;
}
.hero-ring{
  position:absolute;left:50%;top:34px;transform:translateX(-50%);
  width:min(520px,86vw);aspect-ratio:1;border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,transparent 0 38%,rgba(0,224,255,.5) 50%,transparent 62% 100%);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 1px));
  mask:radial-gradient(farthest-side,transparent calc(100% - 2px),#000 calc(100% - 1px));
  opacity:.45;animation:ringSpin 10s linear infinite;
}
.hero-ring.ring-2{
  width:min(400px,70vw);top:74px;
  background:conic-gradient(from 180deg,transparent 0 42%,rgba(255,43,214,.45) 50%,transparent 58% 100%);
  animation-direction:reverse;animation-duration:14s;opacity:.35;
}
@keyframes ringSpin{to{transform:translateX(-50%) rotate(360deg)}}
.hero-badge{
  position:relative;display:inline-flex;align-items:center;gap:9px;
  padding:7px 18px;border:1px solid rgba(255,201,77,.35);border-radius:999px;
  font-family:var(--font-disp);font-size:10px;letter-spacing:4px;color:var(--gold);
  margin-bottom:26px;text-shadow:0 0 12px rgba(255,201,77,.45);
  background:rgba(255,201,77,.05);
}
.hero-badge i{width:5px;height:5px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold);animation:pulse 1.6s ease-in-out infinite}
.hero h1{
  position:relative;font-size:clamp(38px,5.6vw,64px);font-weight:900;line-height:1.16;letter-spacing:3px;
  margin-bottom:20px;
}
.hero h1 .ln{
  display:block;
  background:linear-gradient(90deg,#00e0ff,#3d7bff,#8f6bff,#ff2bd6,#00e0ff);
  background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradShift 5s linear infinite;
}
.hero h1 .ln2{
  /* 必须用 background-image 长写：background 简写会把 .ln 的 background-clip:text 重置掉，
     导致这一行变成一整块渐变实心色块（文字透明） */
  background-image:linear-gradient(90deg,#ffe9a8,#ffc94d,#ff7a1a,#ff2bd6,#ffe9a8);
  background-size:250% 100%;
  animation:gradShift 7s linear infinite;
}
.hero-tag{
  position:relative;font-size:15.5px;color:var(--dim);max-width:540px;margin:0 auto 32px;line-height:2;
}
.hero-tag b{color:var(--text);font-weight:600}
.hero-tag .h1-c{color:var(--cyan)}
.hero-tag .h1-g{color:var(--gold)}
.hero-cta{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  position:relative;display:inline-flex;align-items:center;gap:8px;overflow:hidden;
  font-family:var(--font-disp);font-size:13px;font-weight:600;letter-spacing:2px;
  padding:14px 30px;border-radius:10px;text-decoration:none;cursor:pointer;
  border:1px solid transparent;transition:all .3s cubic-bezier(.4,0,.2,1);
}
.btn::after{
  content:'';position:absolute;top:0;bottom:0;left:0;width:60%;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.5) 50%,transparent 60%);
  transform:translateX(-160%) skewX(-18deg);
}
.btn:hover::after{animation:shimmer 1.1s ease forwards}
@keyframes shimmer{to{transform:translateX(320%) skewX(-18deg)}}
.btn-primary{
  background:var(--grad-main);color:#04060f;
  box-shadow:0 0 26px rgba(0,224,255,.35),0 0 60px rgba(143,107,255,.18);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 44px rgba(0,224,255,.55),0 0 90px rgba(255,43,214,.25)}
.btn-ghost{
  border-color:rgba(0,224,255,.45);color:var(--cyan);background:rgba(0,224,255,.04);
  text-shadow:0 0 10px rgba(0,224,255,.4);
}
.btn-ghost:hover{border-color:var(--cyan);background:rgba(0,224,255,.12);box-shadow:0 0 30px rgba(0,224,255,.28);transform:translateY(-2px)}

/* 数据条 */
.stats{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:46px;
}
.stat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:18px 12px 16px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:all .3s;
}
.stat:hover{transform:translateY(-3px);border-color:rgba(0,224,255,.35);box-shadow:0 8px 30px rgba(0,80,220,.2)}
.stat .s-val{
  font-family:var(--font-disp);font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:1px;
  background:var(--grad-rainbow);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradShift 6s linear infinite;margin-bottom:6px;
}
.stat .s-label{font-size:11.5px;letter-spacing:2px;color:var(--dim)}

/* ========== 通用区块 ========== */
.section{padding:56px 0 6px}
.sec-head{text-align:center;margin-bottom:38px}
.sec-eyebrow{
  display:inline-block;font-family:var(--font-disp);font-size:10.5px;letter-spacing:6px;
  background:linear-gradient(90deg,#00e0ff,#ff2bd6,#ffc94d,#00e0ff);
  background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradShift 6s linear infinite;margin-bottom:10px;
}
.sec-title{font-size:clamp(25px,3.2vw,34px);font-weight:800;letter-spacing:2px;margin-bottom:12px}
.sec-sub{font-size:14px;color:var(--dim);max-width:540px;margin:0 auto;line-height:1.9}
.sec-orn{display:flex;align-items:center;justify-content:center;gap:10px;margin:16px auto 0}
.sec-orn::before,.sec-orn::after{content:'';width:64px;height:2px;border-radius:99px}
.sec-orn::before{background:linear-gradient(90deg,transparent,rgba(0,224,255,.55))}
.sec-orn::after{background:linear-gradient(90deg,rgba(0,224,255,.55),transparent)}
.sec-orn .gem{
  width:9px;height:9px;transform:rotate(45deg);border-radius:1px;
  background:var(--grad-rainbow);background-size:220% 100%;
  animation:gradShift 5s linear infinite;
  box-shadow:0 0 12px rgba(0,224,255,.5);
}

/* ========== 首页门户 ========== */
.portal-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:22px;margin-top:6px;align-items:stretch}
.port-intro{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 26px;display:flex;flex-direction:column;justify-content:center;gap:20px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.port-intro p{font-size:14.5px;color:var(--dim);line-height:2}
.port-intro p b{color:var(--text);font-weight:600}
.port-intro .btn{align-self:flex-start}
.port-entries{display:flex;flex-direction:column;gap:12px}
.port-row{
  flex:1;display:flex;align-items:center;gap:14px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 18px;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.port-row:hover{transform:translateX(4px);border-color:rgba(0,224,255,.35);box-shadow:0 8px 30px rgba(0,80,220,.18)}
.port-row .pr-icon{
  width:42px;height:42px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  background:rgba(0,224,255,.08);border:1px solid rgba(0,224,255,.25);color:var(--cyan);
}
.port-row .pr-icon svg{width:21px;height:21px}
.port-row .pr-body{flex:1;min-width:0}
.port-row .pr-body b{display:block;font-size:15px;color:#fff;letter-spacing:1px;margin-bottom:2px}
.port-row .pr-body i{font-style:normal;font-size:12px;color:var(--dim);letter-spacing:.5px}
.port-row .pr-arrow{color:var(--dim);transition:all .3s;flex-shrink:0;display:grid;place-items:center}
.port-row .pr-arrow svg{width:16px;height:16px}
.port-row:hover .pr-arrow{color:var(--cyan);transform:translateX(3px)}

/* ========== 核心优势 ========== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:6px}
.why-card{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:30px 26px 26px;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.why-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-rainbow);background-size:220% 100%;opacity:0;transition:opacity .3s;
  animation:gradShift 5s linear infinite;
}
.why-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:0 14px 44px rgba(20,60,200,.22)}
.why-card:hover::before{opacity:1}
.why-icon{
  width:50px;height:50px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(0,224,255,.08);border:1px solid rgba(0,224,255,.25);color:var(--cyan);
  box-shadow:inset 0 0 18px rgba(0,224,255,.08),0 0 16px rgba(0,224,255,.08);
}
.why-icon.v2{background:rgba(255,43,214,.08);border-color:rgba(255,43,214,.3);color:var(--pink);box-shadow:inset 0 0 18px rgba(255,43,214,.08),0 0 16px rgba(255,43,214,.08)}
.why-icon.v3{background:rgba(255,201,77,.08);border-color:rgba(255,201,77,.3);color:var(--gold);box-shadow:inset 0 0 18px rgba(255,201,77,.08),0 0 16px rgba(255,201,77,.08)}
.why-icon svg{width:25px;height:25px}
.why-card h3{font-size:17.5px;font-weight:700;letter-spacing:1px;margin-bottom:10px;color:#fff}
.why-card p{font-size:14px;color:var(--dim);line-height:1.9}
.why-tag{
  display:inline-block;margin-top:14px;font-family:var(--font-disp);font-size:9px;font-weight:700;
  letter-spacing:2px;padding:4px 10px;border-radius:6px;border:1px solid;color:var(--gold);
  border-color:rgba(255,201,77,.45);text-shadow:0 0 8px rgba(255,201,77,.3);
}

/* ========== 版本下载 ========== */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:6px}
.dl-card{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 26px 24px;display:flex;flex-direction:column;overflow:hidden;
  transition:all .3s cubic-bezier(.4,0,.2,1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.dl-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:0 14px 44px rgba(20,60,200,.22)}
.dl-card.popular{border-color:rgba(255,43,214,.3)}
.dl-card.popular::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-rainbow);background-size:220% 100%;
  animation:gradShift 5s linear infinite;
}
.dl-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.dl-head h3{font-size:18px;font-weight:700;letter-spacing:1px;color:#fff}
.dl-tag{
  font-family:var(--font-disp);font-size:9px;font-weight:700;letter-spacing:2px;
  padding:4px 10px;border-radius:6px;border:1px solid;
}
.t-cyan{border-color:rgba(0,224,255,.5);color:var(--cyan)}
.t-pink{border-color:rgba(255,43,214,.55);color:var(--pink)}
.t-gold{border-color:rgba(255,201,77,.55);color:var(--gold)}
.dl-desc{font-size:14px;color:var(--dim);line-height:1.8;margin-bottom:14px}
.dl-svc{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text);line-height:1.8;
  padding:10px 12px;border-radius:10px;background:rgba(61,255,176,.06);
  border:1px solid rgba(61,255,176,.18);margin-bottom:14px;
}
.dl-svc svg{width:15px;height:15px;flex-shrink:0;color:var(--ok)}
.dl-svc b{color:var(--ok);font-weight:600}
.dl-row{display:flex;flex-wrap:wrap;gap:10px;align-items:stretch;margin-bottom:14px}
.dl-addr{
  flex:1;min-width:0;
  background:rgba(8,12,30,.7);border:1px solid rgba(130,160,255,.14);border-radius:10px;
  padding:10px;font-size:12.5px;line-height:1.9;color:var(--dim);
  /* 后台允许填最长 500 字符的下载地址/密钥；不换行会在 520-960px 区间把三列网格撑破，
     而 body 是 overflow-x:hidden，结果是内容被裁掉而不是出现滚动条。 */
  overflow-wrap:anywhere;word-break:break-word;
}
.dl-addr b{color:var(--cyan);font-weight:600;letter-spacing:1px}
.dl-addr .key-l{color:var(--gold);overflow-wrap:anywhere}
.dl-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;overflow:hidden;position:relative;
  font-family:var(--font-disp);font-size:12.5px;font-weight:600;letter-spacing:2px;
  padding:0 12px;min-height:44px;width:96px;flex-shrink:0;border-radius:10px;cursor:pointer;transition:all .3s;
  background:transparent;border:1px solid var(--line);color:var(--cyan);
}
.dl-btn::after{
  content:'';position:absolute;top:0;bottom:0;left:0;width:55%;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%);
  transform:translateX(-160%) skewX(-18deg);
}
.dl-btn:hover::after{animation:shimmer 1s ease forwards}
.dl-btn:hover{background:var(--grad-main);color:#04060f;border-color:transparent;box-shadow:0 0 30px rgba(0,224,255,.4)}
.dl-buy{
  margin-top:auto;display:flex;align-items:center;justify-content:center;gap:8px;overflow:hidden;position:relative;
  font-family:var(--font-disp);font-size:12.5px;font-weight:600;letter-spacing:2px;
  padding:12px 0;min-height:44px;border-radius:10px;cursor:pointer;transition:all .3s;width:100%;
  background:transparent;border:1px solid rgba(255,201,77,.45);color:var(--gold);text-shadow:0 0 8px rgba(255,201,77,.3);
}
.dl-buy::after{
  content:'';position:absolute;top:0;bottom:0;left:0;width:55%;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.35) 50%,transparent 60%);
  transform:translateX(-160%) skewX(-18deg);
}
.dl-buy:hover::after{animation:shimmer 1s ease forwards}
.dl-buy:hover{background:linear-gradient(100deg,#ffe9a8,#ffc94d 60%,#ffb02e);color:#04060f;border-color:transparent;box-shadow:0 0 30px rgba(255,201,77,.4);text-shadow:none}
.dl-note{grid-column:1/-1;text-align:center;font-size:12px;color:var(--dim);margin-top:16px;letter-spacing:1px}

/* ========== 购买与联系 ========== */
.buy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:6px}
.buy-card{
  background:var(--panel);border:1px solid rgba(255,201,77,.18);border-radius:var(--r);
  padding:26px 22px;text-align:center;transition:all .3s cubic-bezier(.4,0,.2,1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.buy-card:hover{transform:translateY(-5px);border-color:rgba(255,201,77,.4);box-shadow:0 14px 36px rgba(255,150,40,.14)}
.buy-icon{
  width:52px;height:52px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;
  background:rgba(255,201,77,.08);border:1px solid rgba(255,201,77,.3);color:var(--gold);
  box-shadow:0 0 22px rgba(255,201,77,.12);
}
.buy-icon svg{width:24px;height:24px}
.buy-card .bc-label{font-size:10.5px;letter-spacing:4px;color:var(--dim);margin-bottom:8px}
.buy-card .bc-value{font-family:var(--font-disp);font-size:14px;font-weight:700;letter-spacing:1px;color:var(--gold);word-break:break-all}
.buy-card .bc-value.ph{color:var(--dim);opacity:.9}
.buy-card .bc-hint{font-size:11px;color:var(--dim);margin-top:8px;line-height:1.7;opacity:.85}
/* 可点击的联系卡片：整张卡就是一个按钮 */
a.buy-card{display:block;color:inherit;text-decoration:none;cursor:pointer}
a.buy-card:hover .buy-icon{background:rgba(0,224,255,.12);border-color:rgba(0,224,255,.5);color:var(--cyan);box-shadow:0 0 22px rgba(0,224,255,.2)}
a.buy-card:hover .bc-value{color:var(--cyan)}
a.buy-card:focus-visible,.buy-card[role="button"]:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.buy-card[role="button"]{cursor:pointer}
.buy-card .bc-go{
  display:inline-flex;align-items:center;gap:4px;margin-top:12px;
  font-size:11px;letter-spacing:1.5px;color:var(--cyan);opacity:.9;
}
.buy-card .bc-go svg{transition:transform .2s}
a.buy-card:hover .bc-go svg{transform:translateX(3px)}

/* ===== 购买与售后页（buy.php） ===== */
/* 全局兜底：任何内联图标都必须有个上限，防止某个容器忘了限制尺寸时图标撑满整块 */
svg[aria-hidden="true"]{flex-shrink:0;max-width:28px;max-height:28px}
.pay-grid svg,.sv-grid svg{max-width:none;max-height:none}
/* 购买按钮：一行一个，横向大按钮 */
.pay-grid{display:grid;grid-template-columns:1fr;gap:14px;max-width:640px;margin:0 auto}
.pay-btn{
  display:flex;align-items:center;gap:16px;width:100%;text-align:left;
  padding:18px 22px;border-radius:14px;cursor:pointer;text-decoration:none;
  background:linear-gradient(100deg,rgba(255,201,77,.10),rgba(255,201,77,.03));
  border:1px solid rgba(255,201,77,.3);color:var(--gold);
  font:inherit;transition:transform .22s cubic-bezier(.4,0,.2,1),box-shadow .22s,border-color .22s,background .22s;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.pay-btn:hover{transform:translateY(-3px);border-color:rgba(255,201,77,.6);box-shadow:0 12px 30px rgba(255,150,40,.18)}
.pay-btn .pb-ic{
  flex:0 0 46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,201,77,.1);border:1px solid rgba(255,201,77,.28);
}
.pay-btn .pb-ic svg{width:22px;height:22px}
.pay-btn .pb-tx{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.pay-btn .pb-tx b{font-size:15.5px;letter-spacing:1.5px;color:#fff;font-weight:700}
.pay-btn .pb-desc{font-size:12px;color:var(--dim);letter-spacing:.5px}
.pay-btn .pb-ar{flex:0 0 auto;opacity:.75;display:grid;place-items:center;transition:transform .22s}
.pay-btn:hover .pb-ar{transform:translateX(4px);opacity:1}
.pay-btn.t-cyan{
  background:linear-gradient(100deg,rgba(0,224,255,.10),rgba(0,224,255,.03));
  border-color:rgba(0,224,255,.3);color:var(--cyan);
}
.pay-btn.t-cyan:hover{border-color:rgba(0,224,255,.6);box-shadow:0 12px 30px rgba(0,180,255,.18)}
.pay-btn.t-cyan .pb-ic{background:rgba(0,224,255,.1);border-color:rgba(0,224,255,.28)}
.pay-btn.t-pink{
  background:linear-gradient(100deg,rgba(255,110,190,.10),rgba(255,110,190,.03));
  border-color:rgba(255,110,190,.3);color:#ff9dd6;
}
.pay-btn.t-pink:hover{border-color:rgba(255,110,190,.6);box-shadow:0 12px 30px rgba(255,110,190,.18)}
.pay-btn.t-pink .pb-ic{background:rgba(255,110,190,.1);border-color:rgba(255,110,190,.28)}
.pay-btn.is-off{opacity:.62;filter:saturate(.5)}
.pay-btn.is-off:hover{transform:none;box-shadow:none}

/* 客服与售后条目 */
.sv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.sv-item{
  display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:14px;
  background:var(--panel);border:1px solid rgba(130,160,255,.16);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:border-color .25s,transform .25s;
}
.sv-item:hover{border-color:rgba(0,224,255,.4);transform:translateY(-3px)}
.sv-ic{
  flex:0 0 42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(0,224,255,.08);border:1px solid rgba(0,224,255,.28);color:var(--cyan);
}
.sv-ic svg{width:20px;height:20px}
.sv-tx{min-width:0;display:flex;flex-direction:column;gap:3px}
.sv-label{font-size:10.5px;letter-spacing:3px;color:var(--dim)}
.sv-val{
  font-family:var(--font-disp);font-size:14px;font-weight:700;letter-spacing:.5px;
  color:var(--gold);word-break:break-all;text-decoration:none;
  border-bottom:1px solid transparent;transition:color .2s,border-color .2s;
}
a.sv-val:hover{color:var(--cyan);border-bottom-color:rgba(0,224,255,.5)}
.sv-val.ph{color:var(--dim);font-weight:400;opacity:.9}
@media(max-width:760px){.sv-grid{grid-template-columns:1fr}}


/* ========== 页脚 ========== */
.footer{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(130,160,255,.10);
  font-size:12px;color:var(--dim);letter-spacing:1px;
}
.f-links{display:flex;gap:22px;flex-wrap:wrap}
.f-links button{
  background:none;border:none;color:var(--dim);font-size:12px;letter-spacing:1px;cursor:pointer;
  font-family:var(--font-body);transition:color .2s;min-height:40px;
}
.f-links button:hover{color:var(--cyan);text-shadow:0 0 8px rgba(0,224,255,.4)}
.f-copy .zf{color:var(--text)}

/* ========== Toast ========== */
#toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);z-index:100;
  background:rgba(10,14,32,.95);border:1px solid rgba(0,224,255,.35);border-radius:10px;
  padding:12px 22px;font-size:13px;color:var(--text);letter-spacing:1px;
  opacity:0;pointer-events:none;transition:all .3s cubic-bezier(.4,0,.2,1);
  box-shadow:0 8px 34px rgba(0,0,0,.55);
}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast .tk{
  background:var(--grad-rainbow);background-size:220% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradShift 5s linear infinite;margin-right:8px;
  font-family:var(--font-disp);font-size:11px;letter-spacing:2px;
}

/* ========== 响应式 ========== */
@media(max-width:960px){
  .stats{grid-template-columns:1fr 1fr}
  .why-grid,.dl-grid,.buy-grid{grid-template-columns:1fr}
  .portal-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  .nav{display:none}
  .f-links button{min-height:44px;padding:6px 8px}
}
@media(max-width:520px){
  .page{padding:0 16px 44px}
  .hero{padding-top:56px}
  .hero h1{font-size:34px;letter-spacing:2px}
  .stats{grid-template-columns:1fr 1fr;gap:10px}
  .topbar{padding:11px 0}
  .clock{font-size:11px;letter-spacing:1px}
  .dl-btn{width:112px;padding:0 10px}
  .dl-row{flex-wrap:wrap}
  .dl-row .dl-btn{width:100%;padding:12px 10px}
}

/* ========== 无障碍 ========== */
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}
/* ===== PHP 版追加 ===== */
a.dl-btn,a.dl-buy{text-decoration:none}
.nav a.on{color:var(--cyan);background:rgba(0,224,255,.06);text-shadow:0 0 12px rgba(0,224,255,.4)}
/* 图标改为后台可选，尺寸在这里统一控制（不再写死在 svg 属性里） */
.btn svg{width:14px;height:14px;flex-shrink:0}
.dl-btn svg,.dl-buy svg{width:15px;height:15px;flex-shrink:0}
.hero-badge svg{width:13px;height:13px}
/* 页脚链接支持真实链接形态 */
.f-links a{color:var(--dim);font-size:12px;letter-spacing:1px;text-decoration:none;min-height:40px;display:inline-flex;align-items:center;transition:color .2s}
.f-links a:hover{color:var(--cyan);text-shadow:0 0 8px rgba(0,224,255,.4)}

/* ========== 首页实时时间条 ========== */
.hero-clock{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  margin:26px auto 0;padding:9px 18px;border-radius:999px;
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:12.5px;letter-spacing:1px;color:var(--dim);
}
.hero-clock .hc-dot{
  width:7px;height:7px;border-radius:50%;flex-shrink:0;
  background:var(--ok);box-shadow:0 0 10px var(--ok);animation:pulse 1.6s ease-in-out infinite;
}
.hero-clock .hc-date:not(:empty)::after{content:'·';margin-left:10px;opacity:.45}
.hero-clock .hc-time{
  font-family:var(--font-disp);font-weight:700;font-size:16px;letter-spacing:2px;color:var(--cyan);
  text-shadow:0 0 12px rgba(0,224,255,.45);font-variant-numeric:tabular-nums;
}
@media(max-width:520px){
  .hero-clock{margin-top:20px;padding:8px 14px;gap:8px;font-size:11.5px}
  .hero-clock .hc-time{font-size:14.5px;letter-spacing:1px}
}

/* ========== 背景音乐按钮 ========== */
.bgm{position:fixed;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px}
.bgm-left{left:22px}
.bgm-right{right:22px;flex-direction:row-reverse}
.bgm-btn{
  position:relative;width:46px;height:46px;flex-shrink:0;border-radius:50%;cursor:pointer;
  display:grid;place-items:center;padding:0;
  background:rgba(10,14,32,.82);border:1px solid var(--line);color:var(--dim);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:0 6px 22px rgba(0,0,0,.45);transition:all .25s;
}
.bgm-btn svg{width:21px;height:21px}
.bgm-btn:hover{color:var(--cyan);border-color:rgba(0,224,255,.5);transform:translateY(-2px)}
.bgm.on .bgm-btn{color:var(--cyan);border-color:rgba(0,224,255,.55);box-shadow:0 0 22px rgba(0,224,255,.35)}
/* 播放中的三根跳动音柱 */
.bgm-bars{position:absolute;inset:0;display:none;align-items:flex-end;justify-content:center;gap:2px;padding-bottom:11px}
.bgm.on .bgm-bars{display:flex}
.bgm.on .bgm-btn svg{opacity:.18}
.bgm-bars i{width:2.5px;height:6px;border-radius:2px;background:var(--cyan);animation:bgmBar .9s ease-in-out infinite}
.bgm-bars i:nth-child(2){animation-delay:.15s;height:11px}
.bgm-bars i:nth-child(3){animation-delay:.3s;height:8px}
@keyframes bgmBar{0%,100%{transform:scaleY(.45)}50%{transform:scaleY(1.25)}}
.bgm-tip{
  max-width:210px;font-size:12px;line-height:1.5;letter-spacing:.5px;color:var(--text);
  background:rgba(10,14,32,.92);border:1px solid rgba(0,224,255,.35);border-radius:10px;
  padding:8px 12px;box-shadow:0 8px 26px rgba(0,0,0,.5);
}
@media(max-width:520px){
  .bgm{bottom:16px}
  .bgm-left{left:14px}
  .bgm-right{right:14px}
  .bgm-tip{max-width:150px;font-size:11.5px}
}
@media(prefers-reduced-motion:reduce){
  .bgm-bars i{animation:none}
}
/* 已配置的下载地址 / 购买链接可点击 */
.dl-addr a{color:var(--cyan);text-decoration:none;overflow-wrap:anywhere;word-break:normal}
.dl-addr a:hover{text-decoration:underline}
.buy-card .bc-value a{color:inherit;text-decoration:none;border-bottom:1px solid rgba(255,201,77,.4);transition:color .2s,border-color .2s}
.buy-card .bc-value a:hover{color:var(--cyan);border-bottom-color:rgba(0,224,255,.6)}